A team of geophysicists has traced the origins of Earth’s most extreme gravitational anomaly, a vast depression beneath ...

Quantum gravity is the missing link between general relativity and quantum mechanics, the yet-to-be-discovered key to a unified theory capable of explaining both the infinitely large and the ...

To replicate true zero gravity conditions without actually going to space, would-be astronauts usually have to take parabolic flight. But sometimes, as Brien explains, they have to go in the opposite ...