Famed physicist Albert Einstein at the blackboard. Albert Einstein's theory of special relativity revolutionized science and, once proven observationally, brought the physicist international fame.

Understand Einstein’s General Relativity with a clear and easy-to-follow explanation that breaks down complex ideas like ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Albert Einstein's theory of general relativity has held up pretty well after a century out in the ...

Learn how researchers used Einstein’s theory of general relativity to create the most accurate simulations to date.

PARIS, France — Albert Einstein’s handwritten notes for the theory of relativity fetched a record 11.6 million euros ($13 million) at an auction in Paris on Tuesday. The manuscript had been valued at ...

Albert Einstein’s legendary reputation as history’s greatest theoretical physicist, which National Geographic seeks to mine for humanity in Genius, is due in large part to his theory of relativity — ...

Einstein’s equations were written for chalkboards and paper, yet they now sit at the heart of some of the most visually ...

In 1915, Albert Einstein put forth a new theory of gravity: General Relativity. Instead of every mass in the Universe instantly reaching across to every other mass and exerting an attractive force, ...

‘Most valuable ever’ Einstein notes on relativity to be auctioned Christie’s expects handwritten manuscript of theory’s early version to fetch up to $4 million when it goes up for sale in November; ...

Do kids really need to know about relativity? After all, most fourth graders are not going to have to explain the bending of space or the photoelectric test on their standardized tests. And isn't ...

The supermassive black hole at the center of the Milky Way is the most extreme astrophysical object located within a million light-years of Earth. With an estimated four million solar masses, it's the ...