A disturbance characterized by above-normal sea levels is spreading up the Pacific coast of Central and North America, and it could make the damage from predicted storms this winter much worse.

A newly discovered exoplanet orbits its star backward, and it's a mystery why. The system and others like it could shed light on how some complex planetary systems form.

Regular exercise makes our immune cells more vigilant, potentially contributing to better long-term health, a new study finds.

Saturn will put on a show this week as it enters opposition and its famous rings return to looking their best.

Our planet has had its annual health check, and the prognosis is pretty grim. Despite breached planetary boundaries, however, scientists argue that Earth can still have a safe and sustainable future.

A newly discovered feathered dinosaur named Norellraptor barsboldi had sharply curved teeth and claws, as well as four wings, and it adds evidence to the idea that flight evolved several times in different dinosaur groups.

An elaborate 4,000-year-old defensive wall was discovered in Morocco, and it once protected a thriving farming hub, archaeologists say.

A 2025 satellite photo shows the Caldas Novas dome, a 12-mile-long monolith that towers above the Brazilian state of Goiás. The structure acts as a giant sponge, soaking up water that helps fuel nearby hot springs.

Researchers may have found a missing link in how Earth's mantle gets wet: newly discovered iron minerals that can store water at the extremely high temperatures and pressures present near our planet's core.

A tomb dating back to the time the Romans controlled Egypt contains a funerary poem in ancient Greek.

SpaceX got its Starship rocket into orbit, but after a tense few minutes of comms and the loss of an engine, the call was made to end the mission early.

The defunct USA 32 (or Farrah III) satellite, which launched in 1988, broke apart without warning on Sept. 13, around 480 miles above Earth's surface. Experts are still unsure what caused this sudden fragmentation, how many pieces it created, or how the debris might impact other nearby spacecraft.

Archaeological excavations in the Lake Tagua Tagua basin in central Chile have revealed stone tools and animal bones with cut marks dated to 13,000 years ago.

The Battersea Shield was discovered in the 19th century at the bottom of the Thames. Archaeologists still aren't sure how it ended up there.

A very strange binary star system keeps flashing Earth with X-ray flares. Scientists now understand why.

One of the largest images from the James Webb Space Telescope so far reveals an intricate landscape of dwarf stars and spectacular clouds.

The famous Harvest Moon will be the first full moon of autumn when it rises on Saturday, Sept. 26. Here's how to get the best view of it, and where to look for bright Saturn nearby.

NASA has announced that a new telescope concept called PRIMA is moving forward in consideration for a 2033 launch to look at the origins of planets and galaxies.

Archaeologists have discovered a massive Etruscan burial mound with a vast assortment of grave goods north of Rome.

The newly described dinosaur is only the third nodosaurid fossil found in Asia. Researchers say its ancestors may have migrated from North America.

Japan's new quantum system, Shunkai, uses "optical tweezers" to trap and rearrange atoms, and will be available to researchers working on quantum error correction.

Hurricane Polo exploded from a tropical storm into a powerful Category 5 hurricane in less than 24 hours on Tuesday.

In the largest study of its kind to date, researchers compiled data from 103 bat genomes and 44 fossils to rewrite the bat family tree and determine where these animals first evolved.

Archaeologists in Paris have discovered the remains of a missing Celtic fort sacked by Julius Caesar in 52 B.C.

Scientists have found the first convincing direct evidence of radio signals coming out of the exoplanet Beta Pictoris b.

A new high-resolution map of global freshwater trends between 2002 and 2025 has sharpened scientists' understanding of how humans are using and displacing our most precious resource.

AlphaGenome Atlas could make it easier for geneticists to access powerful AI, but its predictions aren't always accurate.

Archaeologists unearthed a horse burial dating back more than three millennia in an ancient Egyptian fortress.

The peeling away of Earth's crust beneath Italy may explain a lot of the seismic activity in the mountains that run along the spine of the country.

Curiosity has been photographing Mars in its search for evidence of water and life for over 5,000 Martian days. Here are 10 of the most surprising and weird photos the rover has sent back to Earth.

More than 900 Roman silver coins from the time of the Emperor Hadrian were found in Germany by a metal detectorist.

Archaeologists excavating in the ancient Hittite capital of Hattusha have uncovered a fragment of the world's oldest peace treaty, signed around 1269 B.C.

The newly-described amoeba Incendiamoeba cascadensis can survive at a sweltering 145 degrees Fahrenheit.

Astronomers looking at Vera C. Rubin Observatory test data have discovered 'Aquarius IV', believed to be a brand new satellite galaxy of the Milky Way located 350,000 light-years away.

A supercharged El Niño is associated with extreme winter weather.

New research has pinned down the onset of the "RNA World," a hypothetical time in Earth's very early history when RNA was the primary replicating substance.

When giant systems of ancient caves far below the surface of Australia collapsed, it left distinctive clues at the surface.

A school where Aristotle taught Alexander the Great has been found in northern Greece.

A face-down burial of a middle-aged woman who died around 700 years ago in China is the world's first evidence of punitive nasal amputation.

A 2024 astronaut photo captured an unusual salt patch shining like snow on top of northern Chad's imposing Emi Koussi volcano, which is covered with ancient lava, hidden vents and shadowy waterways.

A new sensor reduces the amount of energy required for visual imaging by processing light at the point of detection.

NASA's Nancy Grace Roman Space Telescope has taken its first pictures of space as it heads toward its orbital location. From there, it will begin scanning deep space to uncover more about our universe.

The offspring of mice that spend time on the International Space Station are more vulnerable to external stressors, a new study finds. More work is needed to understand potential health impacts on human astronauts' families.

A paper-based, ingestible battery powered medical devices inside pigs for up to three days before gradually breaking down, a new study reported.

The Southern Taurid meteor shower, one of the longest-running meteor showers of the year, is on from now until later November. Here are the two peak nights to watch for.

This death mask is a spectacular example of goldwork from prehistoric Java, Indonesia.

Archaeologists in Austria have analyzed a collection of 500 iron bars that were likely lost in a Danube shipwreck 2,200 years ago.

This week, NASA turned on the Nancy Grace Roman Space Telescope's powerful 300-megapixel camera for the first time. The debut test image promises "groundbreaking science" to come with NASA already talking about doubling the mission's lifespan.

This programmable DNA computer can perform arithmetic without the continuous energy input needed by other systems.

New research suggests that a perplexing signal created by a pair of colliding black holes may have been warped by a space-time phenomenon known as gravitational lensing. This theory could finally explain the "impossible" size of the merging singularities, but it also poses a new problem.