When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...
Astronomers have made a truly mind-boggling discovery using the James Webb Space Telescope (JWST): a runaway black hole 10 ...
Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.
Isaac Newton lounging beneath an apple tree, suddenly getting bonked on the head by falling fruit, and boom—gravity is discovered. It's the story repeated in classrooms, cartoons, and cocktail parties ...
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...