Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric ...

What if the Big Bang wasn’t truly the beginning? A team of cosmologists is using the power of supercomputers to push past the ...

The evidence for the Big Bang is overwhelming, but we cannot describe what goes on in that event. We can’t accurately call it ...

The review shows how numerical relativity transforms cosmology, replacing shortcuts with full simulations of Einstein’s ...

First, though, it's important to understand how the Theory of Relativity came about. More than 100 years ago, a young Einstein began contemplating one question.

Scientists are rethinking the universe’s deepest mysteries using numerical relativity, complex computer simulations of ...

General relativity has withstood perhaps its toughest challenge to date. The theory, which Albert Einstein published in 1916, revolutionized our understanding of physics and the cosmos.

Relativity Space, the rocket startup Ellis co-founded in 2015 after he left Jeff Bezos’ space company, plans to build fairly small rockets that can blast satellites into orbit cheaply and quickly.

Relativity Space is still targeting this week for the third attempt at launching the world's first 3D-printed rocket after earlier shots were scrubbed due to weather, range, and technical issues ...