A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

"This is a real gift for physicists as we confirm predictions made more than a century ago." ...

In other words, the matter traveled at 20% the speed of light.

Most smaller galaxies may not have supermassive black holes in their centers, according to a recent study using NASA's ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole ...

NASA’s new X‑ray images reveal how supermassive black holes sculpt galaxy clusters. Jets, bubbles, and ripples reshape cosmic ...

Astronomers are learning more about the origins of supermassive black holes after new data is revealed from a 20-year-long ...

Intermediate mass black holes (IMBH), if they exist, have between about 100 and 1,000 solar masses, placing them in between ...

Some galaxies could grow so large by consuming one star from a binary system. April 8, 2012— -- For years, astronomers have puzzled over the diet needed to bulk up supermassive black holes – ...