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 ...

As the sun dips below the horizon, its rays continue to illuminate these ... This striking color arises because the small size of the ice particles efficiently scatters shorter blue wavelengths ...

This flow of particles, called the “solar wind,” has an enormous impact on our lives. It protects us from stray cosmic rays coming from elsewhere in the galaxy—but the effects of storms on the sun’s ...

which helps protect us from radiation and other damaging cosmic rays that would affect our DNA. This shield is made up of charged particles emitted from the sun, called the solar wind. According ...

That suggests these clouds are made of carbon dioxide ice or dry ice ... scientists see how cloud particles grow over time. In addition to the image of sun rays, Curiosity captured a set of ...