Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

NASA's plan to return humans to the moon has changed. As engineers work to fix issues with the Artemis 2 mission's Space Launch System (SLS) rocket, NASA officials are reexamining what flights will ...

Does NASA have files on aliens? Jared Isaacman says no, and tells Ross Douthat on “Interesting Times” that extraterrestrials would pick a more exciting locale to visit than America’s naval bases.

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

President Donald Trump will deliver the first State of the Union address of his second term to a joint session of Congress.

CAPE CANAVERAL, Fla. (AP) — The International Space Station returned to full strength with Saturday’s arrival of four new astronauts to replace colleagues who bailed early because of health concerns.

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

The SpaceX Crew-12 mission, launching from Florida, restored a full crew to the International Space Station after an ...

More than a week has gone by since SpaceX helped restore a full crew of astronauts at the International Space Station.

With the release, the American public could learn what, if anything, the government has documented about the unexplained ...

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

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...