When two black holes merge or two neutron stars collide, gravitational waves can be generated. They spread at the speed of ...
A new theory proposes that the universe’s fundamental forces and particle properties may arise from the geometry of hidden ...
It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...
Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
Astronomers are a step closer to cracking one of the secrets of dark energy—the mysterious force believed to be causing the universe's accelerated expansion.
Science writer David Berreby shares his personal journey with griefbots and discusses how they can offer unexpected comfort, insight and connection in the wake of loss.