Satellites beaming sunlight down to Earth sound like science fiction – and they have astronomers very worried.

Scientists have finally cracked the mystery of solar rain, a phenomenon where plasma clumps fall back to the Sun's surface.

An FDA study found that the body absorbs certain active ingredients in chemical sunscreens, but this does not mean you should ...

The sun is about to roar louder than it has in over a decade - and its effects go far beyond power grids. In astrology, the ...