A spacecraft rocketed into orbit Friday to rescue a NASA telescope that is in danger of crashing back to Earth.

Astronomers used the James Webb Space Telescope to observe CRISTAL-02 and discovered a galaxy-killing wind.

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...

NASA plans to launch a mission Wednesday to save one of its workhorse space telescopes. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. For more ...

NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 million salvage operation gets underway as soon as this week with the planned launch of a ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through space carrying extraordinary amounts of energy, arriving from distant corners ...

In 1989, the Canadian region of Quebec experienced something that likely shocked many of its residents: the Sun knocked out its power grid. Caused by a geomagnetic storm, the resulting blackout made ...

A three-armed spacecraft has rocketed into orbit to rescue a NASA telescope that's in danger of crashing back to Earth. Northrop Grumman launched Katalyst Space Technologies' Link spacecraft on Friday ...