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.

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.

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

Saturated fat is back, according to the new dietary guidelines that reflect the Make America Healthy Again agenda. Doctors ...

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.

Horses can detect fear in humans by smell, becoming more likely to startle and more wary of people who are scared, a new study has found.

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

NASA’s upcoming Artemis II flight will be the first crewed lunar mission in over 50 years, but it will not land on the moon. Here’s why.

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

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.

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

Was that you I spotted at that New Year’s Day group class at my local YMCA? If not, don’t worry. It’s not too late. The start of a new year is a natural time to think about health and make resolutions ...