Physicists have spent a century trying to reconcile the smooth fabric of spacetime in general relativity with the jittery quantum fields that govern particles, and gravity has stubbornly resisted ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object with mass pulls on every other object—a result that explained falling ...

(Image credit: NASA/JPL) Satellites detected a strange gravity signal off the coast of Africa nearly 20 years ago, suggesting something unusual had happened deep within the planet to distort its ...

A black hole growing beyond theoretical limits could become a head-scratcher for cosmologists. (Image credit: NASA/CXC/SAO/M. Weiss) Black holes are famous for breaking all the rules, most notoriously ...