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Anthony (Tony) J. Martin

@ichnologist.bsky.social
8.5K followers 883 following 3.7K posts

Traces & trace fossils. Wrote 'Life Sculpted' (2023), 'Dinosaurs Without Bones' (2014), 'The Evolution Underground' (2017), & more. Hubby, Trekkie, reading, cooking, craft-beer imbibing, childless cat dude, 🚫AI. 🧪🐾🦖🦕🪨⚒️🌍📚✍️ 🖖 ajmartinauthor.com

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Anthony (Tony) J. Martin @ichnologist.bsky.social · 18h
Science storytelling FTW! Last night's Atlanta @storycollider.bsky.social event was fun & meaningful. I started us off with a tale about not finding/finding dinosaur tracks in Australia, followed by 4 folks with personal stories related to science. Thanks to our coaches, Meisa & Emma! 🧪 #scicomm
Oldish white due (me) wearing a khaki long-sleeve shirt and green pants, gesturing with both hands toward the ground and standing on a wooden stage behind a microphone on a stand; a banner behind me says "Waller's Coffee Shop."Group of seven people standing and forming a semi-circle on a wooden stage, with a banner on a planked wall saying "Waller's Coffee Shop" behind them, and a bright light above.
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 19h
My deepest and most sincere gratitude to @theonion.com for creating this story just for me.
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Dr Susannah Lydon @susieoftraken.bsky.social · 09/10/2026
A big thumbs-up for Iguanodon this #FossilFriday 👍 The hand of Iguanodon bernissartensis, complete with thumb spike, on display in the Institut royal des Sciences naturelles de Belgique, Brussels. 🌏⚒🦕🌲🦖
The hand of Iguanodon bernissartensis, complete with thumb spike
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Prof Susie Maidment @tweetisaurus.bsky.social · 21h
Fossil taxa are sometimes considered island weirdos without any actual evidence that island effects were important in their evolution. So we wrote a paper on how we could do actual island biogeography in deep time. If you want a copy but can't access it, email me: www.nature.com/articles/s44...
nature.com
Island biogeography in deep time - Nature Reviews Biodiversity
Island ecosystems feature unique species assemblages with diverse evolutionary histories, but identifying island communities in deep time comes with its own challenges. This Perspective explores the a...
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 22h
Wow, huge congrats on your new position, Morrigan! Looking forward to learning all about your & colleagues' future contributions to our understanding of Ediacaran community ecology.
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Cam Muskelly (Explorer of Deep Time ⏰ ⚒️) @cambriancam.bsky.social · 23h
Welcome back to #fossilfirday here is a 3D print of a hadrosaur tooth next to a photo of the original specimen that was collected in the Upper Cretaceous (Late Santonian) Eutaw Formation in Green County, Alabama. The tooth was collected in July of 2025 by @friel.bsky.social.
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Dragons of Wales @dragonsofwales.bsky.social · 09/10/2026
I couldn’t let the announcement of a new Tyrannosaurid pass without illustrating it. So here’s my take on the new kid on the block: Tromerosaurus solumons. #SciArt
A digital illustration shows a large bipedal dinosaur - a relative of T.rex walking amongst tall trees in a sunlit forest.
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Ben Miller @extinctmonsters.bsky.social · 09/10/2026
In 2019, NMNH debuted new casts of the Stegosaurus and Ceratosaurus skeletons originally collected by Marsh’s teams. Ceratosaurus was casted and assembled in-house, but Stegosaurus was made by RCI. Getting them to fight took great care, and some cardboard stand-ins. #FossilFriday
Stegosaurus cast skeleton with head down and tail swinging. In an empty room with green spotlightPeople make adjustments to a cast Ceratosaurus skeleton propped up on a tableA cardboard stand-in Ceratosaurus alongside finished Stegosaurus cast in a workshopFinal display. Ceratosaurus is on its back, limbs pinwheeling, about to be finished off by Stegosaurus
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J Pardo @jdpardo.bsky.social · 23h
I suppose it's #fossilfriday so here's the skull of the Permian coelacanth Spermatodus from Texas, courtesy of the AMNH.
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 22h
One of the pleasures of writing a book on an overarching topic like bioerosion ('Life Sculpted,' 2023, @uchicagopress.bsky.social) was learning about amazing studies, such as tool use in capuchin monkeys. In one example, tool use goes back at least 3,000 years (!). www.nature.com/articles/s41... 🧪🪨🐒
nature.com
Three thousand years of wild capuchin stone tool use - Nature Ecology & Evolution
A 3,000-year record of capuchin monkey stone tool use shows long-term variability in technology outside of the human lineage.
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David Shiffman, Ph.D. 🦈 @whysharksmatter.bsky.social · 23h
World Octopus Day: new discoveries about the world’s smartest invertebrates
news.mongabay.com
World Octopus Day: new discoveries about the world’s smartest invertebrates
Happy World Octopus Day!  Every Oct 8, the world celebrates one of the more unusual creatures of the sea. Octopuses are well-known for their eight legs and ability to squirt ink when frightened.…
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 08/10/2026
[Makes note to do same at start of departmental & college faculty meetings....]
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PALAEONAVIX @palaeonavix.bsky.social · 08/10/2026
Alligator catching a gar: Could be Holocene, but also Late Cretaceous, or any time between #alligator #catch #holocene #LateCretaceous #sketchbook
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Paleontological Society @paleosoc.bsky.social · 08/10/2026
📢 We are just a few days away from the Paleo Society short course! 📅 When? Saturday, October 10th, from 8:30 am to 5 pm 📍 Where? At the Bluebird Ballroom 2C See you there! 💃
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MU-Peter Shimon 🀄 @mu-peter.bsky.social · 08/10/2026
The First Human Burials Have Been Excavated At Göbekli Tepe, Revealing More About The 11,500-Year-Old Site First burials give insights into mortuary rites at Göbeklitepe, Early Neolithic Türkiye🏺🧪 journals.plos.org/plosone/arti...
Individuals from the burial in trench DR1, showing taphonomic changes to the bones.
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 08/10/2026
"Atlanta-are folks" or "Atlanta-area folks"? Both work for me!
static.klipy.com
Pee-wee Herman: I Meant To Do That
Alt: Pee-wee Herman brushes himself off (after falling off his bike, rolling, and standing up," then says "I meant to do that."
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 08/10/2026
Atlanta-are folks: tonight's the night for @storycollider.bsky.social with live, onstage, science-inspired storytelling! Got a sneak preview of everyone's stories from rehearsal a few days ago & they're all terrific. Theme? 'Defying Expectations.' www.storycollider.org/tickets/2026... #scicomm
Orange heading with white background, titled DEFYING EXPECTATIONS: below and on the left it says "Waller's Coffee Shop, Atlanta, GA October 8, 7:30 PM ET, The STORY COLLIDER, Tickets at Storycollider.org," and to the right are five circles with photos of Pam Harris, Isabelle Patel, Nicki Salcedo, Jaap de Rode, and Tony J. Martin.
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Dr Rebecca Wragg Sykes @lemoustier.bsky.social · 08/10/2026
🏺 🦣 🧪 Been waiting YEARS for more deets on astonishing wooden objects used by #Neanderthals at Abric Romaní (a site which, as anyone who's read #Kindred knows, I rave about). Can't wait to dive in: bark(!) trays, wood tools inc poss spears, and structural objects www.science.org/doi/10.1126/...
science.org
Neanderthal woodworking at Abric Romaní: Insights into the role of wood in a Middle Palaeolithic domestic context
Wood technology likely played a key role in human evolution, yet it remains poorly documented because organic materials rarely preserve in archaeological contexts. The Middle Palaeolithic site of Abri...
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Steve Brusatte @stevebrusatte.bsky.social · 08/10/2026
Megalosaurus: the first dinosaur given a formal scientific name. 20 years before the word 'dinosaur' even existed! When discovered in 1824, it shook the core of a conservative, devoutly Christian British society. We discuss it all on BBC In Our Time www.bbc.co.uk/programmes/m...
bbc.co.uk
BBC Radio 4 - In Our Time, Megalosaurus: the first dinosaur to ever be scientifically named
The 'great lizard' that changed how we understood the history of life on our planet.
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Claude ✡️🦖🦕 @cascoclauda.bsky.social · 08/10/2026
more croc news?! a warm welcome to ctenosuchus tenuidens, a new thalattosuchian described from middle jurassic morocco 🐊 described by imran et al. from a partial skull and scant postcrania, c. tenuidens is recovered as a teleosaurid www.tandfonline.com/doi/full/10.... (art by nathan dehaut)
art depicting ctenosuchus, a long-snouted marine crocodylomorph, lounging in shallow water with a dragonfly perched on its snout
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Ele Willoughby @minouette.bsky.social · 08/10/2026
October 8th is World Octopus Day! Octopuses are a subject I regularly return to. Enjoy these octopus linocuts, woodcut and screen print. 🧪🐡🐙 This is my hand-carved and hand-pulled Lino block print of a charming Grimpoteuthis octopus, one of a genus of pelagic cirrate (finned) octopods
As described this is my hand-carved and hand-pulled Lino block print of a charming Grimpoteuthis octopus, one of a genus of pelagic cirrate (finned) octopods known as the dumbo octopuses. The water looks black and the octopus has its brown tentacles curled in to its indigo body with reddish fins. Each print is 9.25” by 12.5” on delicate Japanese washi paper.
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Tim Fedak PhD @timfedak.bsky.social · 08/10/2026
We celebrated International Geodiversity Day @geodiversityday.bsky.social - in the Cliffs of Fundy Geopark looking for samples of the oldest plant fossils in Nova Scotia, at the Emsian (400 million year old) Devonian age fossil site. A wonderful day of field work - Geodiversity On Our Doorstep! ⚒️
International Geodiversity Day logo 2026 Geodiversity On Our DoorstepDr Tim Fedak, Senior Curator of Geology, Nova Scotia Museum, and Caleb Grant, Geoscientist with Cliffs of Fundy UNESCO Global GeoparkA beautiful waterfall in a mountain brook in the Cliffs of Fundy UNESCO Global Geopark, near the fossil site.A sample of Emsian, Devonian aged plant fossils found during International Geodiversity Day. The oldest plant fossils from Nova Scotia.
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Kiersten Formoso, PhD(epressed) @formorphology.bsky.social · 07/10/2026
Got some exciting new mosasaur research out today in Current Biology! How fast could these predators burst? www.cell.com/current-biol...
cell.com
Mosasaur tail morphology reveals burst swimming performance and ecological diversity
Formoso et al. develop a drag-based “slam-start” model to estimate lunge velocity in four mosasaurs from skeletal and muscle reconstructions. Tail curl amplitude mainly drives performance: russellosau...
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Science Friday @scifri.bsky.social · 07/10/2026
Cephalopods are having a Hollywood glow-up. 🎬🐙 From monsters to villains to teachers, their on-screen roles have been changing as people understand them more.
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Kiersten Formoso, PhD(epressed) @formorphology.bsky.social · 07/10/2026
Check out the Rutgers press release!! Really great folks to work with. They nailed our paper's findings. www.rutgers.edu/news/some-th...
rutgers.edu
Some of Those Ancient Sea Predators Were Built for Surprise Attacks
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Dr Pamela L Gay @starstryder.space · 07/10/2026
I sometimes wonder if we're going to run out of fossils to find in places that don't require digging up a lot of foliage, & then I see stories like this and realize their will always be new rocks worth splitting open, even in places I thought throughly searched. www.eurekalert.org/news-release...
eurekalert.org
New crocodile species discovered in rocks used to build the Great Sphinx
A new species of extinct crocodile from Egypt has been discovered, sharing more than just its home with the Great Sphinx. Herugavialis cairensis was found in the very same rocks used to build the icon...
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High Priestess, Low Patience @cheriepriest.com · 07/10/2026
nobody finishes a book and concludes “that was great; now I shall never read another one.” other writers are your teammates and coworkers, not your competition.
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Martin A. Nuñez @martin-nunez.bsky.social · 07/10/2026
cool starting pack! go.bsky.app/TwZVnjU
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Alberta Claw @albertonykus.bsky.social · 07/10/2026
The origin of the wishbone in birds and other theropod dinosaurs is debated: did it evolve from the clavicles (collarbones) or a bone called the interclavicle? A new study on bird embryos suggests the answer is... both! www.science.org/doi/10.1126/... 🪶🧪 (📷Jiménez-Villalón et al.)
Evolutionary relationships and embryonic pectoral girdle anatomy of several land vertebrates, including a platypus, a turtle, a caiman, a tinamou, and a chicken.
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The Story Collider @storycollider.bsky.social · 07/10/2026
Atlanta, expect the unexpected. 👀 We’ll see you TOMORROW! Join us at Waller’s Coffee Shop for an evening of true, personal stories about science, surprises, curveballs and things not going remotely according to plan. 🎟️ ow.ly/GW3150ZOnqz #ATLEvents #SciComm
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Eos @eos.org · 07/10/2026
There may be a clue about resilience hidden in these hexagonal fossils, which. . .something. . .has been making for more than 500 million years. 🧪 eos.org/articles/sci...
eos.org
Scientists Finally Think They Know What Made These Geometric Fossils - Eos
Arthropods, with harder bodies and better cognition than some other candidates, seem to be the most likely culprit.
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Asher HELLbein @asherelbein.bsky.social · 07/10/2026
The findings here are really interesting: different lineages of mosasaurs seem to have developed quite different hunting patterns -- and indeed, the earliest lineage to get big specializing in ambush predation may have pushed other lineages to go different directions
nationalgeographic.com
This Cretaceous 'Sea Monster' Attacked Prey Faster than Great White Sharks
By analyzing tail length and muscle power, paleontologists have explained the physics behind a mosasaur's deadly ability to lunge toward its prey.
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Science News @sciencenews.bsky.social · 07/10/2026
The fossil of Herugavialis is missing the tip of its snout, not unlike the Great Sphinx with whom it shares its rocky origins. www.sciencenews.org/article/extinct…
sciencenews.org
An extinct crocodilian was found among rocks that built the Great Sphinx
Herugavialis is the new name for a fossil found in the same rocks that built the Great Sphinx. The reptile is a unique branch of the gharial family tree.
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April Neander 🏳️‍🌈 @aineander.bsky.social · 07/10/2026
Today our paper introducing Megacauda is published in Nature! Which means I can finally share my illustration! Meet this beautifully preserved Jurassic, semi-aquatic swimmer #sciart #paleontology
An illustration of a furry mammaliaform with a long, flattened, scaly tail floating in the greenish water. A salamander looks up from the bottom.
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Thomas R. Holtz, Jr. @arctomet.bsky.social · 07/10/2026
Li, Y., Li, P., Neander, A.I. et al. A Jurassic mammaliaform swimmer and transformation of the mammalian pharynx. Nature (2026). doi.org/10.1038/s415...
doi.org
A Jurassic mammaliaform swimmer and transformation of the mammalian pharynx - Nature
A swimming and water-foraging mammaliaform, Megacauda sungei gen. et sp. nov., had a lifestyle analogous to the extant platypus, and was capable of mammal-like swallowing and suckling.
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The Fossil Files Podcast @thefossilfiles.bsky.social · 07/10/2026
Did mammals evolve live birth more than once?! New fossils discoveries from South Africa and Argentina reveal some cute Triassic mammal babies, one *in ovo* and one captured in histology. So where DID mammal babies come from? 👶🥚🦡 1/2
a, photograph of the specimen; b, 3D digital reconstruction of the segmented bones; c, live reconstruction by artist Sophie Vrard. "Triassic Mothers," a life reconstruction of a group of Chiniquodon theotonicus individuals, a pregnant female (left) as well as a female (right) breastfeeding few, relatively large neonates. Credit: María de los Ángeles Miceli Baro.
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Monica Byrne @monicabyrne13.bsky.social · 07/10/2026
I never knew how much improv affected my writing practice until I started digging into research for this course—and realized it’s the WHOLE foundation. Come explore with me! Online, with Night School Bar, the next three Saturdays in October, 1-3pm ET. See you there ✨
nightschoolbar.com
3 Weeks, 3 Worlds: A Crash Course in Worldbuilding (Writing Workshop) [online] — Night School Bar
Full Tuition: $300 — Sliding-scale options are available in the drop-down menu. To pay in installments, choose to pay with PayPal or Klarna at check out. Instructor: Monica Byrne | 3-Weeks | Satur...
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Kelsey Jenkins, PhD @reptiliferous.bsky.social · 07/10/2026
If you're going to GSA next week, please mark your schedules for this! I'll be presenting some of my research one week from today. This talk has everything you could possibly want: ears, reptiles, and silly photos of yours truly 👂 🦎 🐍 👩‍🔬 Let me know if you're attending!
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Riley Black 🏳️‍⚧️ 🦖 @restingdinoface.bsky.social · 07/10/2026
Tyrant Lizard Queen arrives later this month - October 27th - and it’s filled with amazing, original illustrations by @korybing.bsky.social. This is one of my favorites, partly for the work Kory put into researching leg anatomy. us.macmillan.com/books/978125...
A young Snaggletooth the T. rex horfing down an oviraptorosaur leg
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 07/10/2026
Burrows that bite!
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 07/10/2026
How I arrived on Bluesky.
static.klipy.com
Jurassic World Dominion: T-Rex Footprint
Alt: Gif from Jurassic World footage of a Tyrannosaurus foot stepping into mud and leaving a large three-toed footprint.
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Alberta Claw @albertonykus.bsky.social · 07/10/2026
Dromaeosaurid dinosaur feeding traces on the lower jaw bones of an immature Albertosaurus: www.cambridge.org/core/journal... 🪶🧪 (📷Doyon et al.)
Fossilized jaw bone of a meat-eating dinosaur (similar to Tyrannosaurus rex), with close-ups of tooth marks on the bone likely made by a smaller, more bird-like dinosaur.
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 07/10/2026
In my #ENVSCOMM26 class today, peer editing exercises! For this, I anonymize students' essay drafts, print them, & give these & pens to the students so they can edit for format & content. After discussing their experience with a partner ("pair & share"), they'll try to find the original author. Fun!
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 06/10/2026
Would you like to learn about the story about this photo of me reading a book while sitting with a bunch of rocks? Then come to the Atlanta edition of @storycollider.bsky.social, this Thursday, October. 8 to hear my science-inspired story & those of 4 others: www.storycollider.org/tickets/2026...
Photo of me (then-middle-aged white dude) wearing a brown hat, green vest, dark green jacket, and brown pants while sitting next to a flat-topped boulder of sandstone; I'm holding open a field notebook and reading its contents. In front of me is another boulder that looks a lot like the one next to me. A weathered debris slope is behind me.Orange heading with white background, titled DEFYING EXPECTATIONS: below and on the left it says "Waller's Coffee Shop, Atlanta, GA October 8, 7:30 PM ET, The STORY COLLIDER, Tickets at Storycollider.org," and to the right are five circles with photos of Pam Harris, Isabelle Patel, Nicki Salcedo, Jaap de Rode, and Tony J. Martin.
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 06/10/2026
Hey, @bookshop.org's Anti-Prime sale is happening! Here's where you can find my books, available in hardback ('Life Sculpted'), paperback ('Tracking the Golden Isles,' 'The Evolution Underground'), & ebook ('Dinosaurs Without Bones'). Support your local bookstores! 🧪📚 bookshop.org/beta-search?...
bookshop.org
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Andrew Alden @geology.bsky.social · 06/10/2026
My book is still in print, and I recommend it not just for Bay area readers (and their visiting guests), but anyone into the geology of cities.
bookshop.org
Deep Oakland: How Geology Shaped a City
Now in paperback: This San Francisco Chronicle bestseller and California Book Award finalist drills down into Oakland's geological history and its impacts on the city's urban present."This book has tu...
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 06/10/2026
And if you missed hearing Martian winds a few years back, here's a short video by the NASA Jet Propulsion Laboratory with those & other sounds on Mars recorded by NASA Perseverance Rover. youtu.be/GHenFGnixzU?...
youtu.be
NASA's Perseverance Rover Captures the Sounds of Mars
YouTube video by NASA Jet Propulsion Laboratory
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Anthony (Tony) J. Martin @ichnologist.bsky.social · 06/10/2026
Given everything else happening on Earth, missing moments of wonder is easy. But damn, some of us—including this kid from Indiana who grew up reading Ray Bradbury & watching Star Trek—lived long enough to see the landscape & hear the wind of another planet. Thanks to all who made that happen.
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Dr. Sarah Parcak @indyfromspace.bsky.social · 06/10/2026
Maybe it will happen today 🙏 don't forget every day is one day closer
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Riding With Robots @ridingrobots.bsky.social · 06/10/2026
From NASA 📍Gale Crater, Aug. 11, 2026, 8:30 a.m. local Mars time. The Curiosity rover captures the Sun rising on crags known as yardangs, a scene that scientists have long been waiting to see up close.
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