The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Could intelligent alien civilizations really exist somewhere beyond Earth? As advanced telescopes continue discovering new potentially habitable worlds every year, that possibility seems more ...