This is the deepest X-ray image ever obtained, made with over 7 million seconds of observing time with NASA’s Chandra X-ray Observatory. These data give astronomers the best look yet at the growth of ...

Astronomers may now know the cause of an historic supernova explosion that is an important type of object for investigating dark energy in the universe. The discovery, made using NASA’s Chandra X-ray ...

CC0 Usage Conditions ApplyClick for more information. What happens when astronomers use Chandra to take a long look at the same patch of sky? That's the question the project known as the Chandra Deep ...

A study employing NASA's Chandra X-ray Observatory has monitored two pairs of supermassive black holes in dwarf galaxies that are traveling toward one another. This is the first evidence of two giant ...

CC0 Usage Conditions ApplyClick for more information. Like a recording artist who has had a long career, NASA’s Chandra X-ray Observatory has a “back catalog” of cosmic recordings that is impossible ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches, skywatching events and more! You are ...

The Chandra X-ray Observatory, the most powerful X-ray observatory ever built, has generated over 23 trillion bytes of data since it launched on July 23, 1999. From its highly elliptical orbit around ...