black holes

Imagine two intrepid astronauts, Javier and Andrés, determined to investigate black holes. Your goal is to explore what is going on inside you. What will happen to them?

Einstein was the one who proposed the equations of general relativity, the theory that describes how gravity works, but he was not the first to find a solution to them. That first solution is the one that predicted the existence of black holes.

Beneath the dense cloud of cosmic dust at the center of the Messier 77 galaxy lurked a black hole.

It's the first time we've found a lone black hole wandering through our galaxy.

It appears that black holes are not as violent as previously thought, according to this new NASA study.

It appears that black holes are not as violent as previously thought, according to this new NASA study.

A team of astrophysicists has calculated that there are 40,000,000,000,000,000,000 stellar-mass black holes in the observable universe.

A team of astrophysicists has calculated that there are 40,000,000,000,000,000,000 stellar-mass black holes in the observable universe.