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 ...

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.

When black holes collide, the impact radiates into space like the sound of a bell in the form of gravitational waves. But ...

Santa Claus is not breaking the law. He is just using Einstein's physics to bend the rules of time and deliver presents to ...

A splashy California-based launch company named Relativity Space shared a photo of sleek-looking rocket hardware on its social media channels last week. The image featured an impressively large ...

Relativity Media sued Netflix for breach of contract and libel on Tuesday, claiming that a “bad faith scheme” by the streaming giant caused the studio “damages in excess of $1.5 billion.” Lawyers for ...

When the theory of relativity appeared in the early 1900s, it upended centuries of science and gave physicists a new understanding of space and time. Isaac Newton saw space and time as fixed, but in ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Albert Einstein's theory of general relativity has held up pretty well after a century out in the ...

Einstein put forth special relativity, which explains motion at near-light speeds. Although there are many consequences of Special Relativity, this complex theory consists of only two postulates, both ...