The mere mention of the term "polar vortex" can set your head spinning (and maybe eyes rolling). It’s got to be clickbait, ...

typically spinning over the north pole. Imagine it as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the pole. But here’s where things get interesting ...

Why does the Earth spin? Sara H., age 5, New Paltz, New York A globe was the first thing I ever bought with ... There’s an imaginary line between the North Pole and the South Pole.

Scientists in Britain have been keeping an eye on where the Earth's magnetic north pole is. It's not fixed like the geographical North Pole; instead, it's like a wandering star. Recently, they found ...

Fascinatingly, the direction of that spin depends on what ... does a great job of explaining things. Here's how it works: Cold, dense air at the north and south poles is really heavy so it falls ...