BOULDER- Black holes, time travel and E= mc^2. They are all related to Albert Einstein's Theory of Relativity. How many of us, though, can actually explain any of it? This year, Einstein's theory ...
110 years ago today, Albert Einstein published his General Theory of Relativity, which redefined the relationship between matter and gravity. Suddenly, our mysterious universe made a little more sense ...
A record-breaking gravitational wave signal let scientists "listen" to a distant black hole merger and put Einstein's gravity ...
The curious minds at What If examine overwriting Einstein’s theory of relativity with time travel, imagining paradoxes, causality, and cosmic consequences.
Scientists hope to probe the nature of general relativity through a possible pulsar found in the center of the Milky Way, ...