Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

A unifying quality of the previous films in the Alien franchise is that they all focus on a “final girl,” a common hallmark of horror cinema. While Wendy might technically qualify for this description ...

A SpaceX Dragon cargo vehicle that has spent six months docked at the International Space Station is due to depart for a California landing.

The company's HASTE suborbital rocket is scheduled to lift off Friday at 4 p.m. EST (2100 GMT) from Rocket Lab's Launch Complex 2 on Wallops Island, Virginia, carrying a hypersoni ...

The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how it works. NASA's Nancy Grace Roman space telescope will send the hunt for ...

Many of the spaceships in the Star Trek franchise are clever in their construction and striking to look at. These 10 vessels?

Defense Secretary Pete Hegseth said the Pentagon is “working” on identifying and releasing government files related to UFOs and extraterrestrial life following President Donald Trump’s directive.

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

There are things the NASA chief has "come across in the job that he can’t explain," but aliens are not among them.

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

President Trump on Thursday said he will direct the Department of Defense and other agencies to release its files about UFOs and “alien and extraterrestrial life” to the public.