"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

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

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

Astronomers studying the interstellar comet 3I/ATLAS say it could be a 12‑billion‑year‑old relic formed in near‑absolute‑zero ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life. The problem is not finding the star.

This is the story of a mysterious finding in New Hampshire, pieced together from the incident summary sheet and official ...

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

Area 51 is back in the spotlight after a swarm of earthquakes near the Nevada military base. But the real story of Area 51 is ...

Astronomers believe the object, dubbed 'Oumuamua, came from the general direction of the Lyra constellation ...