Gravitational distortions produced by distant galaxies show a slight—but notable—disagreement with Einstein's predictions.

Here we explore what the theory of general relativity is and how it affects space-time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

More than seven years after it was founded in a Seattle co-working space, Relativity Space launched its first 3D-printed rocket on a test mission that began with a ...

Scientists test the famous physicist’s predictions by calculating the distortion of time and space. Why is the expansion of ...

This book provides an excellent introduction and survey of the Kerr space-time for researchers and graduate students across the spectrum of observational and theoretical astrophysics, general ...

For the first time, a mathematical framework proves that Einstein’s theory of general relativity, which explains the ...

On 25 November 1915, Albert Einstein presented his general theory of relativity at the Prussian Academy of Sciences. This theory is still considered to be the most important idea in modern physics.

Tim Ellis, cofounder and CEO of Relativity Space, is competing against SpaceX in the booming space launch business and reinventing manufacturing in the process. Relativity CEO Tim Ellis on the exc ...