Glenn Smith, a professor at the Georgia Institute of Technology (USA), explained this problem: seawater is actually colorless but because it reflects the sky's blue color, we often
A plasma physicist from the California Institute of Technology (Caltech) finally found the answer to the strange characteristics of noctilucent clouds, ending decades of mystery.
People in New York, USA, saw four rainbows at the same time in the sky, after a rain.
Nature brought a brilliant backdrop to the football match last night in England with an impressive double rainbow scene.
We are still exposed to a large amount of UV light when using umbrellas on the beach without applying sunscreen.
Scientists at the University of Glasgow, Scotland have discovered that the more we can exploit data from ... the eyes of the victim in blackmail to help investigate the case.