Northrop Grumman's 'Cygnus XL' cargo spacecraft undocked from the ISS and will make a fiery reentry into Earth's atmosphere.

The probe was one of two launched in 2012 from Florida to study Earth's hazardous Van Allen radiation belts. NASA states that while some components may survive re-entry, the risk of harm to anyone on ...

The most rewatchable sci-fi movies aren't overly long or hard to understand — they're packed with equal elements of humor, ...

Superman has one of the greatest rogues’ galleries in comic book history, and these are the most powerful villains he’s ever faced.

On Earth, life thrives in some of the most seemingly inhospitable environments. Single-celled organisms like bacteria teem in the hot springs of Yellowstone National Park, where temperatures reach ...

We may not have found any definitive proof of extraterrestrial life just yet, despite plenty of hope among scientists. But if we were to ever come to an answer in the form of alien biology or ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Scientists and NASA officials insist the object is a natural comet, not alien technology. Recent observations found no radio signals from the comet that would suggest it was artificial. The comet made ...

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...