Before superhero movies ruled the box office, one alien invasion blockbuster owned the holiday. It’s hard to think of a movie ...

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The Trump administration selected a controversial Harvard astronomer to lead their new scientific advisory council to study ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Astronomer Avi Loeb gives his thoughts on the prospect of finding signs of intelligent life beyond our Solar System.

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

For the majority of viewers who held out for the subscription streaming release rather than paying to rent or purchase, this ...

A U.S. Space Force mission pitting two satellites against each other has completed the organization's first tactical ...