NASA and the ESA have teamed up to measure how fast a black hole, that weighs 2 million times more than our Sun, spins — and the result's mind boggling. Read More >>
Featured comment by EtherealKid:
"Yes, that's why you can't escape the event horizon - the necessary velocity to escape would exceed the speed of light.
Looking back, I'm not sure..." More »
Every spiral galaxy has a supermassive black hole at its center, so they're no big deal, right? Wrong: scientists have just discovered the biggest ever black hole, which weighs 17 billion times as much as our Sun—and it throws previous thinking about the evolution of our universe into question. Read More >>
For 16 years NASA’s Rossi X-ray Timing Explorer, RXTE to his friends, provided unprecedented views into the hearts of black holes, white dwarfs and neutron stars. Having far surpassed its initial goals, RXTE has sent its last transmission back to Earth and has been switched off for good. Read More >>
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