To resolve the black hole, they used the Event Horizon Telescope, a global radio telescope array with an effective aperture ...

Gravitational distortions produced by distant galaxies show a slight—but notable—disagreement with Einstein's predictions.

For centuries, gravity has been one of the most captivating and puzzling forces in the universe. Thanks to the groundbreaking ...

Emergent gravity is a bold idea. It claims that the force of gravity is a mere illusion, more akin to friction or heat—a ...

This dimple in space-time is the result of what we call a gravity well, and it was first described over 100 years ago by ...

The search for quantum gravity has gone on for 100 years, but it is not the only unification challenge in physics. Many of us ...

Extreme stars may possess mountains similar to those found on moons in our solar system, potentially creating detectable ...

Albert Einstein’s theory of gravity, general relativity, is famously incomplete. As proven by physics Nobel laureate Roger Penrose, when matter collapses under its own gravitational pull, the result ...

The most detailed map of the universe ever created using gravitational waves could reveal hidden black holes, merging ...

The theory is a series of equations defined by Einstein. These equations combine space and time to create space-time. Gravity is explained by these equations, which are consistent with what we see ...

When Albert Einstein introduced his theory of general relativity in 1915, it changed the way we viewed the universe. His ...

A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove. Curious connections between physics and ...