U.S. scientists solve the mystery of a golden orb discovered in the deep sea. Here’s what it really is

NASA’s Artemis II was a major success—so why couldn’t the crew flush the toilet?

Passage from Homer’s Iliad discovered in the abdomen of a Roman-era Egyptian mummy

A volcanic mystery reveals that rising magma has a stealth mode

Genetic origins of language may predate modern humans splitting from Neanderthals, a new study suggests

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New York City, New Orleans at greatest risk of extreme damage from floods, new analysis reveals

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RFK, Jr., set to overhaul key committee that issues disease screening recommendations

NASA’s Nancy Grace Roman Space Telescope will launch in September

The solar system’s first solids had a fast start

Smoking ban for people born after 2008 is on the cusp of becoming law in the U.K.

Plants can ‘hear’ rain coming, spurring them into action

A humanoid robot beat the human half-marathon record at a Beijing race. But what did it actually prove?

NASA’s ‘Earthrise’ image changed how we see our planet. Can the Artemis moon missions do the same?

Whatever happened to the ozone hole, acid rain and DDT?

This Earth Day, three experts share tips on how to feel hopeful about the environment

Gibraltar macaques are self-medicating with dirt to help them digest human junk food

Mathematicians found out why waiting for the elevator takes forever

The quantum arrow of time can be reversed, physicists show

Former NASA astronauts launch new group to promote U.S. constitutional values

NASA just dropped a stunning new Hubble image of a ‘Cosmic Sea Lemon’ 5,000 light-years away

FBI investigating possible links between deaths and disappearances of at least 10 scientists

Why firstborns may be more likely than secondborns to be autistic or to have allergies

Hegseth says U.S. military no longer requires flu vaccination, drawing criticism from health experts

Trump’s order on psychedelics could have far-reaching science consequences

NASA’s 2028 moon landing may be delayed because of lack of space suits, watchdog report warns

Astronauts’ brains don’t fully adapt to life in microgravity, new study finds

Risk of ‘megaquake’ in Japan higher after powerful earthquake strikes

NASA’s Voyager 1 spacecraft down to just two working science instruments

The strange way cocaine water pollution is changing salmon

See Bruce the parrot wield his broken beak like a deadly weapon

Magnetic muon measurements and gene-therapy advances win $3 million Breakthrough prizes

Ancient Roman ‘machine-gun’ damage discovered on Pompeii walls

‘Cocaine hippos’ raise tough questions, and scientists uncover insights on faster aging and heart risks

The Lyrid meteor shower is peaking now

Why game theory could be critical in a nuclear war

How a Renaissance gambling dispute spawned probability theory

Master of chaos wins $3-million math prize for ‘blowing up’ equations

The science behind the peptide craze

NSF awards record number of coveted Ph.D. fellowships in surprise move

Did AI just solve the mystery of one of El Greco’s most enigmatic paintings?

Songbirds reveal the dark side of making new brain cells as adults

What’s the weirdest planet in the solar system?

What is Mythos and why are experts worried about Anthropic’s AI model

How your body and brain construct chronic pain

Mars orbiter watches mysterious wave of darkness spread across red planet’s surface

AI music is reviving the same fights that shaped the player piano

Why birds were the only dinosaurs to survive Earth’s worst day

Former deputy surgeon general Erica Schwartz nominated as new CDC chief

NASA Artemis II astronauts say thank you to the world