This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

What did Newton understand that was such a revolution? Can someone just... explain gravity to me? Let's start with a ...

Scientists have long sought the particle that carries the force of gravity, but a new theoretical model tosses out that idea ...

Tethys sat on a chunk of Earth's crust that slipped ... overall mass of the region and weakening its gravity. Scientists are yet to confirm these model predictions with earthquake data, which ...

Neutron stars pack an extremely strong gravitational pull, much greater than Earth's. This gravitational strength is particularly impressive because of the stars' small size. When they are formed ...

When teachers explain ocean tides, they frequently describe how the moon's gravity pulls on Earth and all of its water. This, they often say, leads to a gravitational imbalance, which stretches ...

We commonly experience gravity by being pulled downwards by the Earth. Gravity keeps all of the planets (including Earth) in orbit around the Sun. It also keeps the Moon in orbit around the Earth.

NASA’s AWE mission just released millions of gravity wave images from space, unveiling atmospheric forces that ripple through ...

Binary neutron star mergers occur millions of light-years away from Earth. Interpreting the gravitational waves they produce presents a major challenge for traditional data-analysis methods.