Experts believe ancient alien civilizations have been living on mars. See more in this clip from Season 1, Episode 7, "Mystery Hum and Mayans on Mars." ...

Seth MacFarlane is bringing the bizarre sci-fi hit Dungeon Crawler Carl to Peacock, featuring deadly alien dungeons and a ...

UFO researcher and Harvard professor Avi Loeb reportedly addressed the viral claim about aliens revealing themselves in 16 days and clarified that he never gave such a statement. According to News ...

Scientists have spent decades searching for signs of life beyond Earth without confirming a single extraterrestrial organism or technological civilization. That absence creates a fascinating problem: ...

Are there intelligent life forms in the universe other than on Earth? This is a grand question that everyone has pondered at ...

NASA chief Jared Isaacman said that when investigating unidentified anomalous phenomena, no possible explanation should be ...

An image of Mars taken by NASA has sparked theories that the agency captured ruins of a lost civilization on the Red Planet.

The universe looks empty, but the explanation could be more unsettling than loneliness. Exploring the Fermi paradox and the ...

The idea that extraterrestrial intelligence could be observing Earth sounds like science fiction, and there is currently no verified evidence that it is happening. But scientists do take a related ...

Strange radio signals have been detected from the direction of K2-155 d, about 238 light-years away. Here's what it could ...

Over its decade of existence, science fiction TV series Stargate SG-1 developed an extensive and detailed backdrop of diverse characters. Many of the characters are members of alien species discovered ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...