Scientists are redirecting their hunt for the universe's missing matter from minute particles to large, star-sized, near-invisible structures. For a long time, it was hypothesized that dark matter, ...

Stress is a very real factor in the structure of our universe. Not the kind of stress that students experience when taking a test, but rather the physical stresses that affect everyday objects.

A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic particles. What happens to these particles within atoms would stay unexplained ...