Astronomers analyzing archived NASA data have stumbled upon a cosmic event unlike anything seen before—a brief but intense ...

"Have you ever flipped through old photo albums and suddenly found something fascinating hidden in the background of a ...

Chandra X-ray Observatory observations of the Perseus galaxy cluster black hole and M87's jet have been turned into sound by ...

Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known ...

The "needle in the haystack" discovery of a powerful explosion from a mysterious unknown object outside our galaxy has ...

A nebula that neighbors the Milky Way galaxy happens to be a powerhouse of forging stars, "a bouquet of thousands of stars in ...

The Tarantula Nebula, also known as 30 Doradus, is revealed in an unusual light in this exceptionally deep Chandra X-ray ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...

Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James ...

A stunning Valentine's view of a nebula contains hidden depths of starbirth and the violent deaths of massive stars.

Black holes can actively regulate the material they consume, using powerful jets of gas blasted into space, according to a ...