From blooming flowers to twittering birds, the signs of spring are popping up and the miseries of winter are becoming a distant memory for many. But not for some climate scientists. The curiosity of a growing group of researchers has been piqued by the tenacious temperature divide that has separated East from West over the past two winters as a wild zigzag of the jet stream has brought repeated bouts of Arctic air and snow to the East and kept...

45 years: Time since the first Earth Day, in 1970. (Alexander Gerst/ESA via Getty Images) It’s been 45 years since the first Earth Day, a moment that’s come to symbolize a movement for bettering the planet. It’s not only about how far we have left to go in terms of helping the Earth, but also how far we’ve come. The latter may actually surprise you. Here a look at some facts amazing facts — by the numbers — about the...

There's a new hazard in the Heartland. The U.S. Geological Survey (USGS) recently released a map highlighting the future risk for man-made earthquakes, and an increased chance to see ground shaking. A new preliminary earthquake hazard map shows an uptick in the risk of non-tectonic earthquakes all the way from southern Kansas to north Texas. (USGS) In particular, a new corridor spanning from north Texas to southern Kansas stands out in bright red in the GIF to the left. (MORE:...