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

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 ...

It was co-written with his lifelong friend, the Swiss engineer Michele Besso. LONDON -- A rare manuscript by Albert Einstein that changed the course of modern science was just sold for over 13.3 ...

Relativity Space, the first company to 3D print rockets and build the largest metal 3D printers in the world, today detailed its plans to operate one of the largest rocket engine test facilities in ...