Quantum gravity is the missing link between general relativity and quantum mechanics, the yet-to-be-discovered key to a ...

Even though this tragedy was hinted at from the first episode, it's treated with gravity and presented in agonizing detail.

If gravity arises from entropy, scientists could unite Einstein's general relativity with the quantum realm while shedding ...

The astronauts will be checked out by flight surgeons as they adjust to gravity, officials said, and should be allowed to go ...

A biochemist breaks down challenges that astronauts Suni Williams and Butch Wilmore will face after their long duration in ...

Developed in 1915, general relativity suggests that gravity arises because bodies with mass cause the fabric of spacetime (the four-dimensional unification of space and time) to warp. The greater ...

Scientists propose a relatively simple yet still complicated tabletop experiment to test the quantumness of gravity, aiming to reconcile general relativity and quantum mechanics.

Within 24 hours after their return to earth, the astronauts will begin to lose the unique sensations of weightlessness that ...

NASA official said the astronauts may undergo “vascular and cardio reconditioning” and may feel “dizzy” as their bodies ...