You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative ...

Space-time may hide a bizarre new kind of black hole that causes Einstein’s theory of gravity to fail – and could solve the mystery of dark energy ...

We spoke with theoretical physicist Brian Greene about Einstein's theory of space-time. Many scientists believe space-time is a fundamental concept. But Greene thinks there might be something ...

A rare Einstein ring spotted near our galaxy offers a unique chance to test Einstein’s general relativity and study the ...

The theory is a series of equations defined by Einstein. These equations combine space and time to create space-time. Gravity is explained by these equations, which are consistent with what we see ...

Mathematical equations have shaped our understanding of the universe, and these nine have played a key role in changing the world.

The Big Bang Theory explains how ... A telescope is almost like a time machine, allowing us to peer back into the distant past. With the aid of the Hubble space telescope, NASA has shown us ...

The Moon, long shrouded in mystery, has recently revealed some surprising truths about the way time behaves in its unique ...

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