from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies ... X-Ray Flashes from a Nearby Supermassive Black Hole ...

We were among the first to stay at Nekajui, a Ritz-Carlton Reserve, on Costa Rica's stunning Peninsula Papagayo—here's the ...

(Jef Poskanzer via Wikimedia Commons, CC by SA 4.0) If you’ve ever peered at a handful of Ocean Beach’s white sand, you’ve seen an array of beige, brown, black, and translucent ... digs a small hole, ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

Black holes have such extreme gravity that not even light can escape. They have been caught shredding entire stars and can ...

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like ...

Prepare to be wowed by the mysterious cosmic wonders that are black holes. Black holes are perhaps the most nightmarishly fascinating features of our universe. Like long dark tunnels to nowhere ...

A new discovery using the James Webb Telescope has implied we may live in a black hole. The telescope, launched by NASA three ...

Often seen as destructive, supermassive black holes could help sustain life under specific conditions, scientists have found.

"One explanation is that the universe was born rotating. That explanation agrees with theories such as black hole cosmology, which postulates that the entire universe is the interior of a black hole." ...