To celebrate the 25th anniversary of the flagship Chandra X-ray observatory, NASA released a behind-the-scenes look at the work it takes to keep the $1.5 billion telescope flying in space.

NASA’s Chandra X-ray Observatory and Hubble Space Telescope have been used to study a cluster of stars, nicknamed “Nikhuli," ...

STUNNING: NASA released 25 never-before-seen images - including the 'Pillars of Creation,' Cat's Paw Nebula and more - to celebrate the 25th anniversary of its Chandra X-ray Observatory.

NASA released 25 new pictures in honor of the Chandra telescope's quarter-of-a-century anniversary in space. Hotspots ranked Start the day smarter ☀️ Funniest cap messages Get the USA TODAY app ...

NASA is celebrating the 25th anniversary of its Chandra X-ray Observatory launch by sharing never-before-seen photos of the largest known spiral galaxy in the universe. The Chandra X-ray ...

To celebrate the 25th anniversary of the flagship Chandra X-ray observatory, NASA released a behind-the-scenes look at the work it takes to keep the $1.5 billion telescope flying in space.

NASA celebrates James Webb telescope anniversary with new images 05:25. NASA is celebrating the 25th anniversary of its Chandra X-ray Observatory launch by sharing never-before-seen photos of the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. For the past 25 years, NASA's flagship Chandra X-ray Observatory has recorded X-ray emissions ...