Why can't anything travel faster than the speed of light? Do black holes really suck? These are just a few of the questions author and astrophysicist Jeffrey Bennett answers in his new book, "What is ...

This year, Einstein's theory turns 100 years old. To celebrate that milestone, a local astrophysicist is taking it upon himself to make relativity easier for all of us to understand.

(via Minute Physics) This video covers the General theory of Relativity, developed by Albert Einstein, from basic simple levels (it's gravity, curved space) through to the concepts of how curved ...

Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently ...

This theory of relativity revolutionized the physical sciences and our understanding of the universe. For Descartes, thinking explained his existence. For Einstein, thinking explained the universe.

Albert Einstein's General Theory of Relativity celebrates its 100th anniversary in 2015. See the basic facts of Einstein's relativity in our infographic here.

On the 100th anniversary of Albert Einstein's general theory of relativity, Bennett's book seeks to explain both special and general relativity in a form that a nonexpert could understand.