Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly between male Neanderthals and female humans.

NASA’s Mike Fincke has publicly identified himself as the astronaut who had a concerning “medical event” that led to an early exit from the International Space Station.

NASA’s efforts to get the Artemis II mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to launch four astronauts around the moon.

The Apollo missions changed how scientists understand the moon. Returning with Artemis could help solve some of the biggest lunar mysteries.

Archaeologists in Spain have uncovered an elephant bone from 2,200 years ago, and they believe it belonged to an animal that served as a “war machine” in an army sent to invade the Roman Republic.

The test flight of Boeing’s Starliner capsule — which turned into a monthslong stay in space for two astronauts — was a debacle in the same league as shuttle disasters, NASA said.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

NASA’s first crewed moon mission in decades was delayed as its engineers grapple with an all-too-familiar rocket problem: hydrogen leaks. Fixing the issue is even trickier than it may seem.

In a cave in Romania, scientists found a bacterial strain entombed in ice that is resistant to 10 modern antibiotics. But it may also help fight superbugs.

A new study has analyzed mummified remains of cheetahs in Saudi Arabia caves. The results could help reintroduce cheetahs to the Arabian Peninsula, researchers say.

Every single curling stone in the Winter Olympics is crafted from a special granite found only on Ailsa Craig, a small uninhabited island off the coast of Scotland.