Relativity Space had been targeting Wednesday afternoon for the inaugural launch of Terran 1, the largest 3D-printed structure ever built. Reading time 4 minutes Update: 3:38 p.m. ET: Relativity Space ...

General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of ...

BOULDER- Black holes, time travel and E= mc^2. They are all related to Albert Einstein's Theory of Relativity. How many of us, though, can actually explain any of it? This year, Einstein's theory ...

Einstein’s theory of relativity has explained the universe for more than a century. But under certain conditions, cracks begin to appear. Physicists have identified a gap Einstein never had the tools ...

New research suggests Einstein's general relativity explains the rarity of planets orbiting two suns. In tight binary systems ...

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.