For decades, black holes have been viewed as the most mysterious and powerful objects in the universe—regions of spacetime ...

Dark Disguise New research is rekindling an old hypothesis about the nature of black holes that could resolve a fundamental ...

"Finding supermassive black holes at the time when the universe was less than 1 billion years old is like finding some mammal bones among the dinosaur bones in a Jurassic sedimentary rock." ...

And the supermassive black hole at its center is shooting an outstretched beam of energy into space. The Hubble Space ...

Star explosions called novas are happening twice as often near a gargantuan black hole jet as they are in the rest of the ...

M87 is one of the larger galaxies in our local patch of the Universe, and its central black hole has active jets. During an earlier period of regular observations, the Hubble Space Telescope had found ...

Three active galactic nuclei from the early universe were found in just a small patch of sky. How many more could there have ...

In a surprise finding, astronomers using NASA's Hubble Space Telescope have discovered that the blowtorch-like jet from a supermassive black hole at the core of a huge galaxy seems to cause stars to ...

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." ...