A stunning video of the northern lights as seen from space was shared by NASA astronaut Anne McClain at the International Space Station. The northern lights, also known as the aurora borealis, were ...

Arsia Mons, which dwarfs Earth's tallest volcanoes, and its two neighboring volcanoes are often surrounded by water ice ...

provides an efficient way to compute the single-scattering properties of roughened particles. The effect of ice-crystal surface roughness on the retrieval of the optical thicknesses and effective ...