Energy from the sun reaches the earth as visible, infrared, and ultraviolet (UV) rays. Ultraviolet A (UVA) is made up of wavelengths 320 to 400 nm (nanometers) in length. Ultraviolet B (UVB) ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

Looking for an unforgettable summer escape? In Norway, the sun never sets, time slows down, and golden-hour magic stretches ...