Former Google Chief Executive Eric Schmidt is the new chief executive of Long Beach based Relativity, which aims to compete with other rocket companies. Leader: New Relativity CEO Eric Schmidt. (Photo ...

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 ...

Albert Einstein’s general theory of relativity has been wildly successful at describing how gravity works and how it shapes the large-scale structure of the universe. It’s summed up in a saying by the ...

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 ...

Relativity Space CEO Tim Ellis is hitting back against recent comments from fellow aerospace exec Peter Beck, who called launch contracts for un-flown rockets “basically worthless” earlier this month.

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 ...

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 ...

Clocks are at the heart of GPS. Advances in space-qualified atomic clocks that kept time to within 10 nanoseconds over a day were a key development that made GPS possible. It turns out that GPS must ...