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.

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

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

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity ...

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

Looking ahead: These targets will guide observations with current and future facilities, including the James Webb Space Telescope and proposed missions such as the Habitable Worlds Observatory The ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

Astronomers have identified a clue hidden in the light of certain stars that's already led them to discover seven new alien planets, with more expected to come. To be clear, these alien planets likely ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...