He wasn't wrong—the sun is 99.8 percent of the mass of the solar system. But what is that giant ball of fire in the sky? How ...

"Our work goes beyond enhancing old images — it's about creating a universal language to study the sun's evolution across ...

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Over 1,000 men are dying from skin cancer each year because they are ignoring warnings to stay out of the sun, new research has found. Here we look at the dangers of sun exposure: Experts believe ...

There’s no end to new information about vitamin D, skin cancer, and sun protection factor (SPF) levels in sunscreen. Sun-related topics take on special importance for people with lupus. Here are five ...

Time and Date provides more detailed information about where and when to see the phenomenon. After the conjunction on March 23, Venus will set with the sun and slip away from the evening sky.