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.

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

Albert Einstein's general theory of relativity is one of the towering achievements of 20th-century physics. In our introduction to general relativity, we explain how this theory developed ...

In 1915, Einstein published his paper on general relativity, a theory of gravitation. While Newton’s gravity explained ...

The theory of special relativity is rife with counterintuitive and surprising effects, the most famous of which are length ...

Four familiar physicists – Brian Cox, Helen Czerski, Tara Shears and Jim Al-Khalili – explain why Einstein's theory of general relativity still matters to them. Click or tap on the labels ...

Don’t worry if you haven’t heard of the theory of financial relativity, as it was made ... Now let me try to explain. For starters, the number one question people ask me, when they know ...

If you are a science fiction fan, you probably hate the theory of relativity. After all ... So how do you explain it? Relatively. The muon experiences its average 2.2 microseconds lifetime ...

For the first time, a mathematical framework proves that Einstein’s theory of general relativity ... Therefore, it has the ...

New research has unveiled a previously unacknowledged effect of Einstein’s relativity theory similar to time dialtion and ...

I am the President of Diversified, a CFP and author. While you already may be aware of Albert Einstein and his Theory of Relativity, it’s worth a refresher before we discuss the theory of ...