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

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.

Alien life beyond Earth: After sorting through more than 6,000 known exoplanets, astronomers have picked out 45 rocky worlds that look like the best places to hunt for signs of alien life. It’s a big ...

"While it's hard to say what makes something more likely to have life, identifying where to look is the first key step." When you purchase through links on our site, we may earn an affiliate ...