An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Claims of an 'arms race' involving Russia and China, reverse-engineering, and crashed alien spacecraft re-emerged this month ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

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

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Harvard astrophysicist Avi Loeb suggests 3I/ATLAS may carry extraterrestrial life, sparking debate on panspermia; evidence ...

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes ...

ComingSoon can exclusively reveal the trailer for Interview with the Extraterrestrial. Interview with the Extraterrestrial is a new Uncork’d Entertainment documentary about alien life and ...

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do you look for alien life when you don't know what alien life might look like?

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

Jupiter's moon Europa may have the ingredients necessary for hosting life: liquid water, an energy source and organic compounds. NASA / JPL-CALTECH / SETI INSTITUTE Estimating the chance of getting a ...