Fidelity's Contrafund marked down its biggest stake in Space X-rival Relativity Space by around 21%, from $22.83 a share to $17.96.

Relativity Space Inc. co-founder Tim Ellis wanted to revolutionize the rocket industry with 3D printing. He persuaded big-name investors from BlackRock Inc. and Fidelity Investments to Mark Cuban and ...

Ryan Kanavaugh’s Relativity Media had a “hostile environment” that included porn photo shoots at its Beverly Hills headquarters, a lawsuit filed against the Hollywood studio claims. Adam Fields, who ...

Netflix and Relativity Media have settled their protracted legal dispute in New York Bankruptcy Court, clearing an obstacle to a court-supervised sale of Relativity to UltraV Holdings. Relativity ...

Understand Einstein’s General Relativity with a clear and easy-to-follow explanation that breaks down complex ideas like ...

See how Relativity's Terran 1 rocket got from the 3D printer to the launch pad in these highlights. Credit: Relativity Space ...

Relativity Space plans to launch its new reusable, 3D printed rocket Terran R by 2024. The company has just raised funds in a round led by Fidelity.

Einstein's theory of general relativity, published in 1916, built upon his earlier work, including special relativity and the mass-energy equivalence, both published in his "Annus Mirabilis" in 1905.

Why can't anything travel faster than the speed of light? Do black holes really suck? And why is the universe expanding? These are just a few of the questions author and astrophysicist Jeffrey Bennett ...

Relativity Space uses giant 3-D printers to produce components for its Terran rockets. (Relativity Space Photo) Relativity Space, the startup that was founded in Seattle and is now building 3D-printed ...