Ice nucleation — the process by which ice crystals form — is important in diverse fields such as meteorology, biology and astrophysics. Now, Angelos Michaelides from the Fritz-Haber-Institut ...

Discover the spectacular light pillars illuminating the night sky of Central Alberta, a rare optical illusion created by ice ...

Icicles form when water droplets freeze as they flow ... Frost is what we call the tiny white ice crystals on surfaces outside, like leaves or the grass. Water vapour lands on a cold surface ...

Across the Ozarks, many people noticed an unusual sight in the sky on Tuesday. A partial rainbow near the sun. The optical ...