What exists at the core of a black hole? A research team led by Enrico Rinaldi, a physicist at the University of Michigan, ...

From unifying quantum physics and gravity to working out what is dark matter, the universe has some deep questions that ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Space is already filled with plenty of mysteries, and black holes may be among the strangest. Here are some of the questions ...

In another galaxy, called M33, there's a black hole that is 58 miles across and packs as much mass as 15.7 suns inside. Up next are the intermediate-mass black holes, like this one. At 1,460 miles ...

How are these black holes created in the first place? There are more fundamental questions, too, ranging from ‘What’s inside a black hole?’ to ‘How are supermassive black holes tied to their galaxies?

Black holes might all have hearts of pure darkness, but many cloak themselves in rings of fire that blaze like little else in ...

Scientists are constantly unraveling the universe’s greatest riddles, but many fundamental puzzles remain unsolved. How did life first emerge on Earth? What ...

Supermassive black holes are often regarded as sources of wanton cosmic destruction, but there may be more to their powerful influence than first meets the eye. Researchers studied data from the ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

How does the average reader comprehend, for example, that inside a black hole, “space and time become so distorted that they effectively swap places”? The best parts of “A Crack in ...