The International Space Station (ISS) executed evasive maneuvers Wednesday evening (April 30) to avoid a piece of passing ...

Friday, May 2, presents a perfect opportunity to catch the mighty ice giant Neptune close to the planets Saturn and Venus in ...

From 'Space: 1999' and 'Battlestar Galactica' to 'UFO' and 'Mork & Mindy,' the 1970s might be the best decade of sci-fi TV ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Many Southern Hemisphere observers consider this shower to be the best meteor shower of the year, but it's a different story ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

"If the ultimate result of this story is that the public is more circumspect about future claims of life detection, that's ...

A huge family of newborn stars seem to now be going their separate ways: Over 1,000 stars are hurriedly fleeing their nest in ...

A group of swirling storms at Jupiter's north pole are bouncing off each other, like bumper cars at the fairground.

NASA says the change is part of the agency's "continued effort to enable a robust commercial industry and supports policy ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

The Shenzhou 19 spacecraft — carrying astronauts Cai Xuzhe, Song Lingdong and Wang Haoze — undocked from the Tiangong space ...