Penn physicist Patricio Gallardo and collaborators tracked the speeds of distant galaxy clusters to test the strength of ...

Gravity has become an unlikely viral villain, blamed for an imagined global blackout in which the planet briefly lets go of everything that is not nailed down. At the same time, some of the most ...

Gravity is the force of action between two objects. It’s called a natural force because it acts at a distance rather than needing to be in contact. Gravity is the force that holds us down on Earth and ...

Rumours that Earth's gravity suddenly disappeared for a few seconds have circulated widely on the Internet lately. This rumor ...

Measuring acceleration due to gravity at the site, researchers found it was a surprising 9.7639 meters per second squared.

The chairs were designed, tested and fabricated by students and staff at Cambrian R&D, the applied research division of ...

Scientists have spent decades trying to understand how gravity operates at its most basic scale. However, no theory has come close to fully explaining it. Now, though, a new theory could finally give ...

The Juno spacecraft now orbiting Jupiter has a suite of science instruments which will investigate the existence of a possible solid planetary core, map Jupiter’s intense magnetic field, measure the ...