As far as sci-fi horror goes, few names carry more weight than 20th Century Studios' legendary Alien franchise. Since ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Aliens director James Cameron has revealed why he isn't a fan of David Fincher's Alien 3, and shares his thoughts on a ...