A rogue, middle-mass black hole has been spotted disrupting an orbiting star in the halo of a distant galaxy, and it's all ...

Isaac Newton sat down with pen and paper and tried to calculate the end of the world. He didn’t use a telescope or a ...

A black hole hiding on the outskirts of a far-off galaxy has just been caught red-handed consuming a star a galactic event ...

"XMM-Newton played a pivotal role in our study. It is the only X-ray telescope sensitive enough to detect the fainter X-ray background light between the bursts," Hernández-García said. "With ...