The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after ...

A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | mash mix by Space.com's Steve Spaleta ...

"It took three unsuccessful attempts before we got it right, but when we did, it appeared exactly as we had imagined it; as a ...

Credit: Chris Vaughan/Starry Night The moon will slide in front of the red supergiant star Antares on May 13, briefly blocking its light just a day after reaching its full "Flower Moon" phase.

This was the first time an aurora had been reported from the surface of a planet other than Earth, the researchers noted.

A serendipitous solar outburst let scientists point the robot’s cameras toward the Red Planet’s sky to spot a feature shared with our Blue Marble.

Mars is one of the only other places NASA know life may have existed in the solar system. The Red Planet is the fourth from the sun and is the seventh largest planet. As the planet is dry ...

Meet "Space Jaws." NASA coined the moniker inspired by Steven Spielberg's famous 1975 film for the supermassive black hole after the agency's telescopes uncovered it lurking like a cosmic predator ...

The bright red heart of the Scorpion is a well-known red supergiant star that weighs in at some 15 to 18 times the mass of our own Sun. Now in the later stages of its life, Antares has cooled but ...