An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.

Saturn shines near the half-lit moon at sunset on Nov. 27

Scientists have discovered that a mysterious foot found in Ethiopia belonged to a previously unknown ancient relative similar to Lucy.

By Will Dunham (Reuters) -Whether they are a Siamese, Persian, Maine Coon, or Domestic Shorthair, there are hundreds of millions of cats living with people around the world.

The mysteries of Easter Island, subjects of speculation for centuries, yield to scientific inquiry.

Archaeologists studied hundreds of unfinished stone heads in a quarry on Easter Island to better understand how they were constructed and the society that made them.

We have more neurons in our cortices than any other species, courtesy of an early technology – and along with them came our long, slow lives, with plenty of chances to gather around the dinner table.

South Korea lofted the CAS500-3 Earth-observation satellite and a dozen ride-along cubesats Wednesday (Nov. 26) on the fourth-ever launch of its Nuri rocket.

Volcanoes and earthquakes are both natural phenomena driven by the dynamic processes that shape Earth’s interior and surface.

Fossils from a 3-ton shark unearthed in northern Australia suggests these creatures grew into massive, fearsome predators earlier than previously thought

Satellite space quiz: What's orbiting Earth?

When last year's solar superstorm Gannon slammed into Earth, it not only painted the sky with beautiful auroras, but also shrunk one of the planet's protective layers to just one-fifth its usual size.

A wild wolf in British Columbia was recorded pulling a crab trap out of the ocean, potentially marking the first time the species was observed using tools.

Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make predictions.

Today’s wolves and dogs share a common ancestor. But a deeper look at their genes reveals that interbreeding since dogs were domesticated 20,000 years ago hasn’t been as rare as scientists assumed.

Boeing and NASA have agreed to keep astronauts off the company’s next Starliner flight and instead perform a trial run with cargo to prove its safety. Monday’s announcement comes eight months after the first and only Starliner crew returned to Earth aboard SpaceX after a prolonged mission. Although NASA test pilots Butch Wilmore and Suni Williams managed to dock Starliner to the International Space Station in 2024, the capsule had so many problems that NASA ordered it to come back empty, leavi

Two cute rovers recently teamed up in a moon-like facility in search of water, to support future Artemis missions and their astronauts.

Raccoons have easy access to food in the form of human trash. It could be jump-starting physical and behavioral changes in the masked bandits, new research suggests.

The people who manage America’s aquifers, wetlands, shorelines and recreation areas rely on federal science as they face new and rising risks in a changing climate.

A subset of AI called reinforcement learning is helping scientists improve nuclear fuel technology, which they could use to power spacecraft and rockets.

Researcher Matthew Graham said scientists didn't initially "believe the numbers about the energy" emitting from the cosmic display.

How AI fixed the James Webb Space Telescope's blurry vision

James Webb Space telescope spots 'big red dot' in the ancient universe: A ravenous supermassive black hole named 'BiRD'

The brief flashes were captured from Earth and could be from the Taurid meteor shower.

"This discovery ends a protracted search for these waves that has its origins in the 1940s."

Paleontologists spotted injuries on the tails of duck-billed dinosaur fossils that might have occurred during mating.

Dark matter obeys gravity after all — could that rule out a 5th fundamental force in the universe?

Hubble sees spiral galaxy in Lion's heart | Space photo of the day for Nov. 4

The hunt for dark matter: a trivia quiz

Scientists working in Mexico have recorded multiple incidents in which a group of orcas hunt young great white sharks and eat their energy-rich livers.