When skin cells are overwhelmed by UV damage, they die, triggering an immune response similar to wound healing. The redness, heat and pain of a sunburn, are signs of inflammation as immune cells rush ...

In the past two years, without much notice, solar power has begun to truly transform the world’s energy system.

Scientists have released the closest images ever to the sun, captured by NASA’s Parker Solar Probe flying 3.8 million miles above the solar surface.