To most people, the sun is a steady, never-changing source of heat and light. But to scientists, it’s a dynamic star, constantly in flux, sending energy out into space. Experts say the sun is now in its most active period in two decades, causing ...

NEVER look at the sun without adequate protection. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. You don't need to wait until nightfall to go stargazing. Each day the sun — our yellow dwarf star ...

Our sun could produce catastrophic superflares far more often than previously thought — and one may even be due soon — according to new research. Superflares are solar megastorms thousands of times more powerful than regular solar flares, capable of ...

You’re red, you’re peeling, and you’re kicking yourself for not reapplying sunscreen every two hours like you’re supposed to. Other than waiting it out and slathering on some aloe vera, there’s not much you can do to treat a sunburn. But if your ...

Sun poisoning doesn't mean you've been poisoned. It's not a formal medical term, but when people talk about sun poisoning, they're usually talking about a severe sunburn that seems similar to an allergic reaction. It's a burn that doesn't just redden or ...

Sun lamp therapy involves exposing the body to artificial light that resembles sunlight. It may help improve symptoms of a range of conditions, such as seasonal affective disorder (SAD) and depression. People with SAD are more likely to develop symptoms ...

A sun rash can occur due to a genetic condition or the use of a certain medication. The rash may appear as small blisters and cause an itching or burning feeling, among other symptoms. Sun rash is a type of photodermatosis, where exposure to sunlight ...

Scientists have uncovered previously hidden changes in the Sun's solar activity over the last 40 years, which could affect people on Earth.