The sun is one of the best sources of vitamin D for the human body. How much sun a person needs per day depends on factors such as skin type, the season, and cloud coverage. Vitamin D is an essential ...

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 ...

Is the sun an only child? Or was it born into a (very, very) big family? The answer would tell us more than just how awkward holiday family reunions can be (if you think yours are bad, imagine how ...

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We live in changing times. While we once flippantly threw villains to the lions, now we seek to fire them into the Sun. It sounds easy enough. The Sun is unbelievably massive, with gravity sufficient ...

The sun may produce extremely powerful bursts of radiation more frequently than we thought. Such “superflares” seem to happen as often as once a century, according to a survey of sun-like stars, and ...

Scientists have discovered incredibly tiny plasma whirlpools swirling across the Sun’s surface, some just 20 kilometers wide. These previously invisible vortices may twist magnetic fields and help ...

Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. No matter how green your thumb is, ...