Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1913, Albert Einstein had stalled in his efforts to construct his ...

Albert Einstein's theory of general relativity has been proven right again — and this time, physicists have pinned down just how precise it is: Any deviations from his theory of general relativity are ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. One hundred years ago this month, Albert Einstein redefined what ...

From smashing particles together to analyzing the properties of a supermassive black hole, much of physics research takes place far beyond the realm of our everyday experience. However, there is one ...

All bodies in a given gravitational field are thought to fall with the same acceleration. This idea, known as the equivalence principle, is central to our understanding of gravitational physics. It ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

It stands among the most famous theories ever created, but the general theory of relativity did not spring into being with a single, astonishing paper like the special theory of relativity in 1905.

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 — ...