Sent by the Sun, this wind whips at speeds exceeding one million miles per hour as it traverses ... About a quarter of a pound of atmosphere is lost every second — and more when there’s a strong solar ...

UV radiation from the sun or artificial sources like sunlamps might cause reactions in some people with a sensitivity to this type of light. The resulting immune reaction triggers the rash.

The Polarimetric and Helioseismic Imager took the highest-resolution full views of the sun’s visible surface, or photosphere, to date. Nearly all radiation from the sun originates from the ...

STORY: These bomb shelters are designed to protect against radiation and natural disasters. And they're now being mass produced in Russia, the country's emergency ministry research institute has said.

Can expose astronauts in space and passengers in high-flying arctic planes to radiation that can penetrate human flesh. Shifting appearance in the sun's magnetic fields In the image below ...

We call this a partially ionized state. This allows helium to easily pump out a lot of radiation, which contributes to the general glowing of the sun. But it also keeps the temperature in check ...