For a world to maintain an atmosphere long enough for life to gain a foothold, it seems it needs to be at least as big as ...

If you were hoping we’d find alien life hanging out on a cozy, pint-sized planet anytime soon, then you should know that ...

NASA has discovered strong evidence for ancient life on Mars. In this video, Kobi Brown visits the team at NASA JPL to discuss the implications of this finding and the search for alien life, including ...

Partnership would give the Pacific Northwest a role in research missions aimed at blazing a trail to the moon and Mars.

NASA's Viking 1 mission blazed a crucial trail with its Mars landing on July 20, 1976. Now, half a century later, that trail ...

Terraforming Mars has crossed from science fiction to a structured scientific research agenda, according to a peer-reviewed ...

A 300-foot-tall anomaly on one of Mars' moons has intrigued observers for years.

Geeks rejoice. A new study suggests that if extraterrestrial life exists, it’s likely being lived on this exoplanet.

A new mineral-based biosignature detection method could identify signs of life on Mars using the Perseverance Rover's ...