Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none.

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

"The results from 3I/ATLAS show how realistic it is to detect a signal with the technology we have today." When you purchase ...

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said ...

Emily Blunt confirmed that she made the unusual-sounding clicking noises highlighted in trailers for the new science fiction ...

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

This 1980s Disney sci-fi adventure film is pretty inventive, and it remains a nostalgic favorite roughly four decades later.