Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their ...

As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

Four astronauts splashed down in the Pacific Ocean as they return early from the International Space Station due to a crew ...

Veteran NASA astronaut Suni Williams announced her retirement Tuesday. Her extended mission to orbit due to the troubled Boeing Starliner test flight was her final foray.

Scientists have turned to artifacts associated with Leonardo da Vinci on a quest to track down the legendary polymath’s elusive DNA.

Images of plants painted on pottery made up to 8,000 years ago may be the earliest example of humans’ mathematical thought, a study has found.

A new study is the first to describe tool use in a cow. It could be evidence that livestock has higher cognitive capabilities than once thought, researchers say.

Songbirds on the UCLA campus changed beak shapes during the pandemic, according to a new study. Researchers suspect it might be a case of rapid evolution.