Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

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

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

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

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

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time. If life spreads and changes planetary environments, it could leave behind ...

A mind wrapped in skin and bone can feel like the obvious model for consciousness. But that assumption may say more about ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in the modern information age. Reading time 4 minutes The moment of first ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

There have been supposed alien sightings for centuries. These observations of “unidentified flying objects,” or UFOs, have periodically surged, such as during the late 1940s and early 1950s as the ...