This documentary explores the profound scientific search for intelligent life beyond Earth and the potential existence of advanced alien civilizations. It examines various methods of cosmic ...

A nihilistic alien civilization sounds like one that would simply lose hope, abandon progress, and fade away. But this ...

(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

Missing US scientists’ mystery: Harvard astrophysicist Avi Loeb urges caution regarding a series of unexplained deaths and ...

According to Metropolitan Hilarion, aliens live in different realms and occasionally appear to humans as angels ...

A growing number of researchers are raising a startling possibility: intelligent extraterrestrial life may already exist—and ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

See tributes from show, his wife, and more.

In the sci-fi book and now movie Project Hail Mary, astronaut Ryland Grace, played by Ryan Gosling, encounters three ...

US congressman Tim Burchett recently claimed that aliens have visited Earth and that they made contact with humans.