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 ...

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

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

Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

Scientists have seen a powerful explosion from a mysterious, unknown object in space. Researchers do not know where the ...

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

Scientists have created the first-ever 3D maps of star-forming molecular clouds near the Milky Way's supermassive black hole, ...

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

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

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