For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational ...

The revised version of the Terran R features increased performance, but will only reuse the first stage. Credit: Relativity Space WASHINGTON — Relativity Space has decided to retire its Terran 1 small ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. General relativity has withstood perhaps its toughest challenge to date. The theory, which Albert ...

Einstein's theory of general relativity may be over 100 years old, but a 16-year-long investigation of extreme stars has shown that it is still the best description of gravity we have. An ...

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general relativity. One explains the tiny world of particles; the other describes ...

Relativity Space will be sending OneWeb’s second-gen broadband satellites to orbit starting in 2025 using its fully reusable 3D-printed rocket Terran R, under a new multi-launch agreement. This is the ...