Einstein's theory of general relativity has passed its toughest test with flying colors, a new study reports. General relativity, which Einstein proposed in 1916, holds that gravity is a consequence ...

As new and powerful telescopes gather fresh data about the universe, they reveal the limits of older theories like Einstein's relativity. When you purchase through links on our site, we may earn an ...

The big thinkers at Aperture explain relativity and how it warps the fabric of spacetime. Tom Cruise visited 'Star Wars: ...

While SpaceX’s Falcon family continues to demonstrate reliable reuse of its first stages and fairings, other launch providers are actively developing competitors. One such rocket in work is Relativity ...

The accelerating expansion of the universe could be explained by modifying general relativity so that gravity has mass – or so thinks a small group of physicists. Matthew Francis reports What lies ...