Extraterrestrial life could betray itself not in the molecules themselves, but in their arrangement. A recent study shows ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new ...

GREENBELT, Md. -- A team of international scientists says they've found sugars in meteorites that could be essential to the creation of life. The team, which included scientists from NASA and other ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In the renowned journal Nature Astronomy, researchers discuss the consequences of ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

A new batch of declassified Pentagon UFO materials is fueling fresh public fascination — but files still do not confirm ...