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

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.