In some ways, a wormhole might look like a black hole. And the wormhole would look like a sphere, not a hole. Einstein's theory of general relativity allows for the possibility of wormholes, but there ...

Falling into a black hole causes time dilation, infinite visual copies, and eventual destruction at the singularity, with ...

Supermassive black holes are capable of violently devouring entire stars, and warping the very fabric of spacetime with their near incomprehensible mass and gravitational influence. Their awesome ...

"The alternative is that we are seeing something entirely new!" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers are trying to ...

"Black holes are so stealthy that this one has been practically under our noses this whole time." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

NASA's Chandra X-ray telescope peers at a jet blasting forth from the central supermassive black hole of Centaurus A, a galaxy 12 million light-years from Earth. Credit: D. Bogensberger et al.