Researchers are using black hole “shadow” images to test whether Einstein’s relativity remains unshakable. With ...

A mathematical investigation of galactic data suggests elusive dark matter is confined to the rules of gravity.

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, ...

General relativity describes gravitation in a geometrical framework generalizing special relativity and classical mechanics. This term includes theoretical studies of gravity, experimental studies of ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

In this video, we explore Albert Einstein's theory of general relativity, focusing on his insights into gravity and ...