Around June 21’s solstice, regions north of the Arctic Circle experience the midnight sun: 24 hours of daylight, when the sun never sets and night disappears.

Scientists can pore over these spectral fingerprints to reconstruct what elements created them and in what quantities.

Bactrim is the brand-name version of the antibiotic co-trimethoprim. Doctors often advise that you avoid getting too much sun while taking Bactrim, alongside wearing sunscreen and keep covered in ...

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 ...

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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 ...

Sunlight has both positive and negative effects on the human body. For example, it is well known that sun exposure can cause burns to the skin and increase the risk of cancer over the long term; ...

Powerful UV rays can cause temporary sun blindness on sunny days, especially when light reflects off of water or snow. Your eyes can sustain damage from excessive sun exposure. Share on Pinterest ...

Despite what your TV listing says, it isn’t always sunny in Philadelphia — or anywhere else. That means your solar panels won’t always be soaking up the sun’s rays. Solar panels are rapidly growing in ...

Kids and babies have thinner, more sensitive skin, making it essential for parents — and their little ones — to develop good sun-protection habits from the get-go. “Getting kids used to sun protection ...

Some home remedies, like lemon and salt spray, may help your hair become sun-bleached more quickly. Over-the-counter hair-lightening products are also available. Health writer Adrienne ...