Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

Explore how cutting edge telescopes, AI, and new detection methods are transforming the extraterrestrial life search and ...

Here’s a question sci-fi nerds have been debating for about 60 years: who’s the hottest actor in Star Trek? Many Original ...

Nick Pope, regular guest on History Channel's Ancient Aliens and former U.K. Ministry of Defence UFO Desk official, often ...

See tributes from show, his wife, and more.

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

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Former UK Ministry of Defense investigator Nick Pope passed away on April 6 in his home in Tucson, Arizona. His wife, ...

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

What would they think of us? It’s a question that can produce some, well, uncomfortable answers if you happen to be an ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. [CLIP: The spaceship Hail Mary’s operating system (played by Priya Kansara) speaks in ...