Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

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The Dirac equation had a sting in its tail ... The positron, the first antimatter particle, was duly discovered in cosmic rays a few years later. It was the first of a whole new menagerie of ...

Earth’s magnetic field acts as a protective barrier against the majority of these cosmic rays, and there is a measurable increase in radiation as you gain altitude and enter space. In space ...

We still don't fully understand what triggers lightning. A new study suggests that showers of cosmic rays may be the missing link. Cosmic rays may offer an out-of-this-world answer to a long ...