Dr. Michio Kaku says the interstellar object 3I/ATLAS faces a crucial test. As it passes the sun on October 29th, will it ...

The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.

In a secluded corner of the Lynx constellation, just 18 light-years from our planet, astronomers have found a stunning ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Scientists have been searching for radio signals from hypothetical alien civilizations using radio telescopes for decades.

A mysterious space object, 3I/ATLAS, is nearing the Sun. Scientists are watching closely to see if its movement follows known ...

Scientists suggest Titan could host silicon-based life, thriving on methane instead of water in its cold, oxygen-free ...

The discovery of interstellar object 3I/ATLAS coincides with SETI's proposed new post-detection rules—raising public fears of ...

The Extraterrestrial Highway in south central Nevada runs through one of the darkest and most desolate stretches of the continental United States — and it’s famous for alien encounters.

"Foolish, Earthlings!" The line most commonly uttered by two drooling aliens who have become a staple of "The Simpsons"' ...

Is anybody out there? Probably. Most stars have planets; we've discovered more than 6,000 exoplanets thus far, and the most ...