Smashing subatomic particles together at near-light speeds has long been the best way to understand the universe’s fundamental building blocks. These high-energy collisions, conducted inside massive ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Two cutting-edge atomic clocks — the most accurate ever ...

Whether space-time exists should neither be controversial nor even conceptually challenging, given the definitions of “space-time,” “events” and “instants.” The idea that space-time exists is no more ...