Health officials advise minimizing UV exposure by staying out of the sun from 10 a.m. to 4 p.m., regularly reapplying sunscreen, wearing protective clothing and seeking shade. Extreme heat warnings ...

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so ...

As skin cancer surges in the UK, one Australian writer can't believe how little people do to protect themselves.

Moving from the outer layer inward, the first layer is the corona — the outermost part of the sun’s atmosphere that is ...

The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18 ...

Too much sun exposure can sometimes go beyond just an unpleasant sunburn. It also can lead to sun poisoning. While a sunburn will cause red, painful skin, sun poisoning is a severe type of ...

Dermatologists explain what UV rays, whether from the sun or a tanning bed, do to the skin. A tan might look nice, but it's a sign of UV damage, experts say.

The terrifying tactic could see malign powers fire substances into the atmosphere to affect sunlight hours over Britain.

Defence experts have issued a warning to govenment officials over fears that Vladimir Putin could use dangerous sun-blocking ...

Americans across some 11 states are facing high levels of ultraviolet (UV) radiation on Monday, according to the National ...

With the weather finally warming up and tempting people to get outside, a dermatologist is sharing a reminder to protect our ...