Journey into the vast unknown as we explore the cutting-edge methods used to hunt for intelligent extraterrestrial life. This ...

Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...

The Expanse creators reveal why it might take a while before fans get to watch their next Prime Video sci-fi show.

TUCSON, Ariz. (KVOA) - The University of Arizona is opening a new exhibit this weekend that explores one of humanity's most enduring questions: Are we alone in the universe? "Mysteries of the Cosmos: ...

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

Sponsored by McMenamins, a Pacific Northwest venue and hotel company, the annual UFO Festival transforms this town in the ...

Dr. Tyson is an astrophysicist and the author of “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” See more of our coverage in your search results.Encuentra más de nuestra ...

What difference would it make if aliens are real, and what makes life on other planets seem unreasonable? I realize that many ...

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...

Three weeks before Disclosure Day opens in theaters, screenwriter David Koepp revealed in a new Vanity Fair profile published ...