Earth is continuously plowing through extraterrestrial dust. Tens of thousands of tons of the stuff, mostly from asteroids and comets, settles all over the planet every year. We are the shoulder to a universe of dandruff.
Bitter cold is setting in after a major winter storm blanketed a wide swath of the US in snow, sleet and rain this weekend, creating dangerously icy conditions that promise to complicate cleanup efforts and make travel challenging on Martin Luther King Jr. Day.
Skiing at many resorts in the Alps could become impossible within the next 80 years, according to a new study.
Researchers predict snow cover across the Alps will fall by at least a third by the end of the century, leaving low-lying resorts without snow.