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Jellyfish and Sea Anemones Sleep Just Like Us

Sea anemones and jellyfish don't have brains, but the way their neurons behave during sleep shows some surprising similarities to humans

Archeologists Just Found a 2,000-Year-Old Battle Trumpet That May Be Linked to Queen Boudica

The newly discovered Iron Age instrument may have been played in the Celtic resistance against the Roman Empire

Why Trump's Exit from Pivotal Climate Treaty Matters

In the latest effort to undermine climate action, President Trump pulled the U.S. out of the U.N. Framework Convention on Climate Change, which underpins global efforts to address rising temperatures

Some Dogs Learn New Words Just Like Toddlers Do

A new study reveals that some smart dogs can learn words just by overhearing humans' conversations

This Newly Discovered Asteroid, Almost Half a Mile Wide, Just Set a New Space Record

A giant asteroid has sent astronomers into a spin, setting a record for how fast it rotates on its axis

Do Monkeys Make Faces on Purpose?

A new study suggests that primate facial expressions may not just be reflex

Supermassive Black Hole ‘Snowplows’ Can Stifle Star Formation in Spiral Galaxies

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have never seen anything quite like it before

Why a January Heat Wave Is Breaking Records Across the South

An area of high pressure is bringing record-high heat to some parts of the U.S., with an added boost from climate change

In Unprecedented Move, NASA to Rush Astronauts Home after Medical Incident on ISS

NASA on Thursday announced it would take the extraordinary step of bringing four crewmembers back to Earth from the space station before their official mission end

What Happens after You Quit Weight-Loss Drugs? A New Study Offers Some Clues

A new study finds that people who quit weight-loss medications, including GLP-1 drugs, regain weight four times faster than people who stop dieting or exercising

Ocean Temperatures Just Hit a Dire New Record

The world's ocean absorbed more heat in 2025 than in any other year on record

These Bizarre, Centuries-Old Greenland Sharks May Have a Hidden Longevity Superpower

The very, very long-lived Greenland sharks were long thought to be practically blind. But a new study finds that they not only can see but also maintain their vision into old age

The Best Skywatching and Stargazing Events of 2026

Total eclipses, lunar occultations, planetary conjunctions and meteor showers await stargazers this year

The Weight-Loss Drug Revolution—From Shots to Pills and the Science behind It All

Behind the hype of GLP-1 medications lies complex science, serious side effects and a pharmaceutical arms race.

Scientists Discover Brain Circuit That Acts Like a ‘Brake’ on Motivation

A new study in macaques identifies a brain circuit that acts like a "brake" on motivation