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 ...
Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...
Normal matter – which makes up everything we see and touch – isn’t the only type of matter present in the universe.
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Asteroid belt — What it is, where it is and how it formed
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
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.
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