200 Cars Trapped in a California Mudslide Are a Preview for This Winter's El Niño

Hundreds of cars were stranded when a mudslide swamped a Southern California freeway last night in what felt like a chilling dress rehearsal for the El Niño on the way. The mudslide is a reminder that it’s not just heavy rain we need to worry about—heavy rain falling on the state’s parched ground will bring disaster. »10/16/15 9:10pm10/16/15 9:10pm

Why Airplane Flights Are Taking Slightly Longer Every Year

In the future, hopping on a plane from LA to Honolulu might take a minute longer than it does today. You probably won’t miss that lost moment, but the airline industry will: The tiny additional flight time could amount to thousands of extra hours and millions of dollars of additional jet fuel each year. »7/15/15 10:05am7/15/15 10:05am