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 ...

Learn more about the images advanced telescopes could take of black holes and how they could back up Einstein’s general ...

A black hole can feel like the most distant and unreal object you could ever think about, yet the way its darkness bends ...

Black holes, regions of spacetime in which gravity is so strong that nothing can escape, are intriguing and extensively ...

Researchers are using black hole “shadow” images to test whether Einstein’s relativity remains unshakable. With next-generation telescopes, they hope to spot telltale signs of alternative physics ...

Einstein realized that time is relative and passes at different rates for different people. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Time ...

String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...

Solar eclipses occasion lots of excitement and pique the public's interest in astronomical phenomena. Eclipses can also expand our understanding of the universe in profound ways. In fact, astronomical ...

Kazuya Koyama receives funding from the Science Technology and Facilities Council. Levon Pogosian receives funding from the Natural Sciences and Engineering Research Council of Canada. Simon Fraser ...