Newton’s Law of Gravity just survived its biggest cosmic test. Scientists studied nearly 686,000 galaxies spread across 7 ...

Trying to solve quantum gravity is frustrating. We have made tremendous progress in quantum theory, but it seems that every ...

Modern cosmology assumes dark matter exists. But what makes us so certain that dark matter is the answer—and what if we're ...

Get a first look at the completed observatory.

Artemis II astronauts are back on Earth, sharing unique videos and adapting to gravity, while NASA plans for Artemis III.

Astronomers using the James Webb Space Telescope have spotted something that shouldn’t exist—at least not so early in the ...

The concept of spacetime, first described in Einstein's theory of general relativity, has since been widely studied by many ...

We all have this image in our mind of what rich people spend their money on. But as it turns out, they also spend their ...

An astronaut can hold a tool in space, loosen their fingers, and watch it stay put. Nothing drops. Nothing tugs downward. Yet the brain does not simply forget gravity because the body has left Earth.

New research suggests time could hold the key to resolving mysteries of gravity, quantum mechanics, and other phenomena in modern physics.