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 ...

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 ...

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

If you're going to Mars you'd best take along a jar of anti-aging cream because while you're there you're going to age faster ...

The passage of time is fundamental to the theory of relativity: how you realize it, how you calculate it, and what influences it,” said Bijunath Patla, a physicist at the National Institute of ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

The MICROSCOPE mission tested the weak equivalence principle with free-falling objects in a satellite. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Long and winding road: The Juice space probe taking the long way to Jupiter and its moons - Copyright NASA/AFP/File NASA Long and winding road: The Juice space probe ...

A South Korean physicist has proposed a theoretical framework that could support the unification of quantum mechanics and the ...