General relativity stands as one of the bedrock theories in modern physics. Its strange view of relative time and space has been confirmed by countless experimental and observational tests, from ...

Another Silicon Valley investor is getting into the rocket business. Former Google chief executive Eric Schmidt has taken a controlling interest in the Long Beach, California-based Relativity Space.

A technique inspired by the film Interstellar suggests a new way of communicating backwards in time, but it could help ...

For several years, an innovative, California-based launch company named Relativity Space has been the darling of investors and media. Relativity promised to disrupt launch by taking a somewhat niche ...

In 1905, a 26-year-old patent clerk named Albert Einstein looked at the universe and discovered that time was not what we thought it was. It was not linear. For centuries, everyone assumed the same ...