A newly spotted interstellar visitor just got an unusually close listen from California scientists — in a search for signs of ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

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

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

The pleasing environs had put Roelker, who was drinking rye whiskey procured from a local distillery called Catoctin Creek, ...