Yes, trading predictions on the weather is completely real and legal, and it's one of the fastest-growing categories on prediction markets apps. You're not booking a weather forecast; you're taking a ...

A much-anticipated El Niño that developed this summer became in September the strongest ever recorded, with cascading effects on global climate expected to peak late this year and into next. Water ...

Add Yahoo as a preferred source to see more of our stories on Google. Palm Desert in California, where El Niño could bring wetter-than-normal conditions. (Constantine Johnny via Getty Images) El Niño ...