The list was created by alien-hunting scientists at the SETI Institute. SETI stands for "Search for Extraterrestrial Intelligence." They created a list of "technosignatures", which are signs that ...

A Pentagon study released Friday that examined reported sightings of UFOs over nearly the last century found no evidence of aliens or extraterrestrial intelligence, a conclusion consistent with past U ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

Scientists are looking for evidence of alien technology in a faraway solar system with the most perfect mathematical alignment and synchrony of planets ever seen. The solar system, about 100 light ...

On Wednesday afternoon, astronomers will try to see if they can detect any radio signals coming from a strange object that recently hurtled past Earth—and that almost certainly comes from another star ...

Mysterious comet 3I/ATLAS has just done something which looks like ‘controlled manouevering’, according to the scientist who made headlines claiming it could be an alien spacecraft. The interstellar ...

An immense water world, right in our cosmic backyard, could be teeming with alien life. Using the James Webb Space Telescope, a team of astronomers has found a pair of gases in a distant alien world's ...

There's even a new probe that will hunt for as many as 25 habitable alien worlds ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that ...