Interstellar space is unforgivingly vast, but the emptiness has some advantages. The lack of atmosphere means there is no aerodynamic drag.

Harvard's Avi Loeb suggests interstellar object 3I/ATLAS might have scattered life-building materials, reviving panspermia ...

Famed astrophysicist Neil deGrasse Tyson joins Saturday TODAY to chat about this new book “Take Me to Your Leader: Perspectives on Your First Alien Encounter” and reveals who he thinks aliens should ...

"The Arrival" was quietly released by Orion Pictures on May 31, 1996, one month before the comic book-like alien invasion ...

Psychic spy veteran Lyn Buchanan claims the CIA accessed 23andMe and Ancestry.com to search for people with extraterrestrial ...

A meteor explosion over Massachusetts sparked online speculation about alien cover-ups, despite NASA confirming it as a natural event. The incident quickly became a major talking point online.

Disclosure Day, the upcoming sci-fi movie from director Steven Spielberg, revolves around a plot to prove that aliens exist.

Astronomers using the JWST discovered massive “rock clouds” made of vaporized minerals on the distant planet WASP-94A b.

Denver International Airport is converting tunnels that are featured in urban legends into passenger walkways.

NPR's Scott Simon asks astrophysicist Neil deGrasse Tyson about his latest book, "Take Me to Your Leader." ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common ...