A satellite the size of a briefcase successfully detected an alien world, potentially paving the way for a future network of bantam planet-hunting spacecraft.
There's a microwave power experiment heading to space Saturday (May 16) aboard the Air Force's secretive X-37B spaceplane. Researchers hope it could lead to a new global power source.
NASA's Curiosity rover has shown that Mars was habitable billions of years ago. And NASA is about to launch another rover, called Perseverance, to look for signs of Red Planet life.
Researchers using China's huge new FAST radio telescope are piecing together a technological strategy to carry out a major and sweeping search for extraterrestrial intelligence (SETI).
A near-Earth asteroid will whiz safely by our planet, and astronomers may be able to watch the monster rock's flight through telescopes.
During June and early July, it is eclipse season once again. In the coming weeks, there will be three eclipses that take place: one of the sun and two of the moon.
Here's Space.com's guide to some of the biggest science fiction movies slated to release this year: "The New Mutants," "Black Widow," "Wonder Woman 1984," "Dune" and more.
With an epic plot twist that was shrouded in secrecy, this was the equivalent of an "Avengers" movie four decades ahead of its time.