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 ...

"We’ve got our people working on it right now,” said the U.S. Defense Secretary.

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

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

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

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

Soon, the cars shift 90 degrees and quickly begin the journey, a Lego Galaxy-saving quest. That first launch into darkness goes about 40 mph and surprises some people, even though the word LAUNCH ...

"I get to do the review and find out along with you," Hegseth told reporters.

United States President Donald Trump says he’ll release government files relating to alien and extraterrestrial life.

Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the plates cause them to push toward each other, as if trying to fill the ...