If clouds are heavy, why don’t they just fall to the ground? There’s one key concept behind this. Meteorologist Robb Ellis explains.

A mysterious throbbing light seen racing behind clouds in the northeastern U.S. and Canada has been identified as a meteor, according to the American Meteor Society. One witness i ...

With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

As February begins, Venus appears low in the western evening sky. The brilliant planet stands nearly 15° high an hour after the Sun goes down and dominates the faint background stars of Pisces the ...