Emergent gravity is a bold idea. It claims that the force of gravity is a mere illusion, more akin to friction or heat—a property that emerges from some deeper physical interaction. This emergent ...

Theoretical physicist Claudia de Rham has made it her life mission to poke and prod at gravity's limits, whether it's by diving deep in the Indian Ocean, soaring over waterfalls in an airplane, going ...

We all know an apple will fall down because of the Earth's gravity. But what about an "anti-apple"? For the first time, scientists have "dropped" antimatter in the form of anti-hydrogen atoms, and ...

Gravity waves are ripples in the atmosphere caused by winds pushed up and down as they blow along. This undulating motion can ...