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.

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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 ...

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; ...

Here on Earth, the ingredients for life to survive, thrive, evolve, and sustain itself on our world have all coexisted without fail for billions of years. In addition to all the atoms and molecules ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Deeptej Singh, MD, ...

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 ...

It’s a bit worrying when a scientific paper begins, “How long will life on Earth survive?” But in this case—a study by Jacob Haqq‐Misra of Blue Marble Space and Eric Wolf at the University of Colorado ...