A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

Scientists have uncovered the strongest evidence yet for the existence of elusive intermediate-mass black holes (IMBHs), long ...

In a baffling cosmic mystery, astronomers have reported a star that appeared to vanish without a trace. One night it was there, shining bright—and the next, it was gone. No explosion, no fading, no ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, ...

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of ...

From sweeping domes and elegant calligraphy-inspired architecture to a deep respect for knowledge, astronomy, and moral philosophy, the Star Wars galaxy reflects influences ... the world not as a ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

Supermassive black holes can have a burst of activity when they rip apart a star, or can be steadily bright as they slowly feed on material accumulated in an accretion disk. Ansky appears to be ...