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 ...

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For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational wave signal from a binary black hole merger to date, and it gives researchers ...

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 ...

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 ...

CAPE CANAVERAL SPACE FORCE STATION — Relativity Space has its mostly 3D-printed Terran 1 rocket on the pad as it looks to complete final tests and get the OK to go for its first launch ever.

LONG BEACH, Calif. & MCLEAN, Va.--(BUSINESS WIRE)--Relativity Space, the preeminent 3D printed rocket company, announced today that it has signed a multi-year, multi-launch Launch Services Agreement ...

Space is important to us and that’s why we're working to bring you top coverage of the industry and Florida launches. Journalism like this takes time and resources. Please support it with a ...