Microraptorines were bird-like dinosaurs that possessed some flight adaptations. A new fossil species from the early Cretaceous, Norellraptor barsboldi, suggests that this group evolved their own flig...

Genuine artifacts tell the richest stories that fill our souls. And they fuel the scientific enterprise.

A scrappy science project led to a significant discovery: two new species of a rare organism that could elucidate a fundamental transition in the history of life on our planet.

Apocalyptica · Apocalyptica · Song · 2005

A battle of forces, driven by the motion of Earth’s core, can explain small variations in the planet’s rotation, study finds.

A scientist with a toad collection is embroiled in a global scientific culture war.

Recent decades have witnessed an unprecedented rise in avian fossil discoveries that directly inform our understanding of bird origins and evolution, the stepwise assemblage of the avian body plan,...

From mangrove-lined estuaries to shallow bays and lagoons, shark nurseries play a vital role in early life. This review brings together decades of research to understand where these habitats are found...

ALT: Community: Troy Barnes Enters Chaos Meme

A first-of-its-kind report details the footprint of the controversial facilities.

Florentino Ameghino was born on September 18, 1854. He came from a family of Italian immigrants who settled in 1854 in the town of Lujan, Buenos Aires, Argentina, where the extraction and exportati…

The late writer believed that hearing the natural world is its own form of prayer.

It started as a routine data-quality check. But as Robert Wagner, a scientist with NASA’s Lunar Reconnaissance Orbiter (LRO), scanned a giant Moon map on his

Despite an extensive history of study, quantitative constraints on the thermophysiology of Tyrannosaurus rex remain limited. Here, we derive a thermodynamically based determination of T. rex body temp...

Some Thoughts On the *Other* Existential Threat

The sauropod Diplodocus is one of the most iconic dinosaurs, with fossils traditionally known from the Morrison Formation (U.S.A.; Kimmeridgian–Tithonian). Here, we describe a new diplodocid specim...

What does extinction look like, really? We might imagine the asteroid that devastated most of the dinosaurs or envision long-lost images of man hunting mammoths. But the patterns and processes that ma...

Graviportal proboscideans differ in limb morphology, adopting slender or more robust long bone morphotypes. Finite element analyses (FEA) on extant and extinct taxa reveal functional differences betw....

As Alexander Zverev plays in the French Open, his domestic abuse trial began on Friday. Here's what to know about the case.

A quarter of a century after the Twin Towers fell, those who lived through the attacks are still seeking care for myriad illnesses, including cancers, post-traumatic stress disorder, and more

Gallagher et al. [1] report preserved melanosomes in the integument of juvenile diplodocids from the Late Jurassic of Mother's Day Quarry (Montana, USA). T

Troodontid theropod dinosaurs from the Campanian of western North America have historically been known from fragmentary remains. This limited material has made understanding the biology and taxonomy o...

Abstract. Dinosaur egg remains are rarely found in areas of high palaeolatitudes, with Canada (approx. 57–60° N) and Siberia (approx. 70–75° N) yielding th

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

ALT: Resigned Tired