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." ...

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

The European Space Agency said that the black hole inside the spiral galaxy NGC 3783 has the mass of 30 million suns.

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

NASA has created an animation to show what likely happened on July 2nd after a black hole appeared to shred a star. For ...

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

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 ...

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

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

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