Thousands of solar tornadoes swirl above the sun’s surface at any given moment. These remarkable photos give us a glimpse at these stunning cosmic phenomena.

Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

The full buck moon rose on July 10, stunning skywatchers around the world with its orange hues and low arc through the ...

Tonight’s full buck moon marks summer's first full moon in the Northern Hemisphere. It will rise opposite Mars, appear orange ...

Sunscreen protects you from premature aging and skin cancer by absorbing the sun's UV rays. Learn about sun protection, including tips.

New research utilizing data from NASA's Parker Solar Probe has provided the first direct evidence of a phenomenon known as ...