An Absolutely Massive Volcano Is Exploding In Chile Right Now

Calbuco, a stratovolcano in southern Chile, began erupting yesterday at 7pm local time. First spewing massive ash clouds then, at 10pm, erupting explosively as its fragile structure collapsed inwards. Here’s all the stunning imagery and video; we’ll keep it updated as this develops. You can see it from space! » 4/23/15 2:41pm Thursday 2:41pm

Watch sprite lightning flash at 10,000 frames per second

Red sprite lightning is both mysterious and intriguing: sprites occur only at high altitudes above thunderstorms, only last for a thousandth of a second, and emit light in the red portion of the visible spectrum. Therefore, studying sprites has been notoriously difficult for atmospheric scientists. » 8/07/13 3:00pm 8/07/13 3:00pm