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

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

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

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

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

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

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 ...

NASA Administrator Jared Isaacman told CNN's Jake Tapper the odds are "pretty high" that aliens are real during an interview ...

Scientists may have detected one of the most intriguing signs of possible alien life yet — on a distant ocean world 124 light-years from Earth. The signal involves dimethyl sulfide, a molecule ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

Younger adult colon cancer deaths are concentrated in people with less education, study says King Charles will address ...

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 ...