the Earth won't be caught in the crossfire. Hooray! "When I started this project, I thought the main focus would be the colliding winds and a face-on orbit was a given," study author Grant Hill of ...

Radioactivity is a part of our earth - it has existed all along ... cannot feel this energy as in the case of infra-red rays which produce heat. The biological effects of ionizing radiation vary with ...

Because no particles are involved, radiation can work through the vacuum of space. This is why we can still feel the heat of the Sun even though it is 150 million km away from the Earth.

A new study suggests the extinction of Neanderthals nearly coincided with a shift in Earth's magnetic field that let more ...

Because no particles are involved, radiation can work through the vacuum of space. This is why we can still feel the heat of the Sun even though it is 150 million km away from the Earth.