When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...

It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden ...