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

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

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

An astrophysicist who searches for life in the Universe unpacks Steven Spielberg's UFO blockbuster Disclosure Day ...

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

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

Whenever a director goes back to change an earlier movie, as James Cameron is thinking about doing with his 1986 classic ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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 ...

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 a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

By Jan Wolfe WASHINGTON, June 23 (Reuters) - The U.S. Supreme Court further limited the reach of a federal law used to hold ...