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

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.

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding ...

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 ...

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of ...

Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements and Earth's unique environment make alien visits to Earth highly unlikely.

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

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.