Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — and could wipe out life on earth. Following Tennessee Rep. Tim Burchett’s ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the right conditions to ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while highlighting the agency’s role in collecting evidence for the search of alien life.

Recent developments in astrobiology have sparked global intrigue as scientists report the detection of a potential alien life signal emanating from a star system 120 light-years away. This discovery ...

Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent alien life. The findings apply if those extraterrestrials explore ...

The number of planets capable of hosting alien life may be smaller than we thought, thanks to a new understanding of how water levels drive a planet’s climate. Below a certain level, carbon dioxide in ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time. If life spreads and changes planetary environments, it could leave behind ...

Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at us? Is it possible there's alien life closer to home — within the bounds of our solar system? The ...

• Simulate planetary conditions more precisely Future Missions: Europa Clipper, Dragonfly, and Mars Life Explorer will carry tools to detect isotopes and chirality, helping verify whether signs of ...