Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

The spaceflights are ones billionaire Jeff Bezos's space technology company has been offering since 2021. This time, six ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

A former NASA scientist explains how we know whether Blue Origin New Shepard made it to space, and how its altitude compares ...

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...

Galileo snaps Earth: NASA's Galileo spacecraft clicked its first image of Earth from outer space December 11, 1990, showcasing our blue planet from the depths of space. ATS-1 captures Earth ...

Blue Origin successfully launched an all-female, celebrity-packed crew on a brief trip into space, with the mission led by ...

Blue Origin’s NS-31 mission launched into space on Monday morning with an all-female crew, including pop star Katy Perry.