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

A strange X-ray signal spotted decades ago may be the result of a star that got attacked by two black holes, one after the ...

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

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 ...

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

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 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 ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

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