Astronomers who identified HD 20794 d say its proximity to its host star and orbital pattern suggest it could hold water.

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for ...

Space can be a wondrous place, and we've got the pictures to prove it ... off particles of ice and dust within the plane of the solar system. Monday, January 13, 2025: Seeing Earth from space ...

Ty Pendlebury has worked at CNET since 2006. He lives in New York City where he writes about TVs and home entertainment. Expertise Ty has worked for radio, print, and online publications, and has ...