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

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

JWST lacks the precision to detect life on exoplanets, and this new telescope aims to change that.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

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 ...

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.