A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

According to Andrews, he spent weeks at base camp acclimating to the altitude and during that time his hair grew fast. "A small discomfort like long hair can become big a problem; it gets caught in my ...

Have you ever looked up at the sky and been struck speechless by a cloud so strange it seemed like a message from another ...