Traditional black holes, as predicted by Albert Einstein's theory of General Relativity, contain what are known as ...

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

Traditional black holes, as predicted by Albert Einstein’s theory of General Relativity, contain what are known as ...

The passing gravitational waves “stretch or contract the universe by around 20 meters [about 65 feet] or so,” says Matthew ...

A new study shows black holes can form without singularities, using only modifications to Einstein’s equations.

Learn how a "black hole 30 billion times the mass of the sun in a galaxy 2 billion light years away" using gravitational ...

See our ethics statement. There’s nothing to hide with this one: You have a shovel and yearn for a really big hole. It’s a small hole at first, but it gets bigger with time. The deeper you go ...

Gravity holes: How UT’s experimental mission uncovered secrets of our planet In the 2011 study, the team discovered one body was likely a star about 20% the size of our sun, while the other was ...

41,366 people played the daily Crossword recently. Can you solve it faster than others?41,366 people played the daily Crossword recently. Can you solve it faster than others?