In this program, NOVA probes the secret ingredient of the cosmos: swarms of invisible particles that fill every cubic inch of space and just may explain how the universe was created. Trillions of ...

Cosmic rays sound like something out of a superhero comic: invisible, traveling close to the speed of light, they are constantly shooting toward (and through) Earth from outer space. But they are real ...

The Nobel Prize in Physics in 2015 was awarded for the discovery of neutrino oscillations, which showed that neutrinos have mass. This discovery kicked off a global effort to better understand ...