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

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.

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.

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

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.

Little is known about why the woolly rhinoceros went extinct around 14,000 years ago. Scientists have found clues in the frozen remains of an ice age wolf.