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

From The Rock and Kelsey Grammer to Iggy Pop and Joan Collins, these unexpected guest spots prove 'Star Trek' has always ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Exoplanet Beta Pictoris b can be seen moving around its star in this 17-year timelapse created using "AI-driven ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

Spielberg has long been known for his love of alien-related material. That's why he produced the abduction-based Taken ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

Seth Rogen voices the alien in Paul (2011), starring Simon Pegg and Nick Frost. This sci-fi comedy features Sigourney Weaver ...

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

It might seem worlds away from the Earth we know. But can "Star Trek" teach us anything about the economics of our own ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...