Binary black holes, systems consisting of two black holes in close orbit around each other, synchronize their spins before ...

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

A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope. The quasars were powered by a pair of supermassive black holes on a ...

Firefly Aerospace 's moon-bound spacecraft has provided the closest thing to a reflecting pool in space, showing Earth as an ...