relativity established by theoretical physicist Albert Einstein is an important theory that is the basis of modern physics, but there is also an image that it is related to complicated phenomena such ...

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 ...

Relativity Space made a flurry of announcements on Wednesday about its past and future. The company is going bigger, and it has already started to do so. In an interview with Ars, the company’s chief ...

The former Google chief executive is taking a controlling interest in Relativity Space, which aims to build low-cost, reusable rockets to compete against Elon Musk’s SpaceX and to reach Mars. Eric ...