SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Alien solar systems that are home to so-called "hot Jupiters" — gas giants circling sizzlingly close to their stars — are unlikely homes for Earth-like planets, researchers say. Hot Jupiters get their ...

Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent alien life. The findings apply if those extraterrestrials explore ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

In Apple TV’s Pluribus, a faint radio signal from deep space reshapes humanity, and the source, astronomers learn, is Kepler-22b, a world that exists far beyond our solar system. During episode 8, ...

Scientists say aliens are not hiding in Area 51. Experts believe life may exist on distant planets with water and the right ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...