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

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

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

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

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

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

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

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

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 ...

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.