NASA on Thursday announced it would take the unprecedented step of bringing four crewmembers back to Earth from the space ...

A new study finds that people who quit weight-loss medications including GLP-1s regain weight four times faster than people ...

In a new study published in Science on Thursday, researchers at Eötvös Loránd University in Hungary found that a small group ...

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising ...

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

In the latest effort to undermine climate action, President Trump pulled the U.S. out of the U.N. Framework Convention on ...

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

At 710 meters (just under half a mile) wide, this space rock sets a record for how fast it spins on its axis: about one ...

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

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

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If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; ...