We are watching two areas for potential tropical activity, one of which could develop in the Caribbean next week. There is still a lot of uncertainty, but here’s what we know now.

We haven't had many severe thunderstorms in the U.S. this month. But that may change this weekend. Here's our latest forecast regarding a threat for damaging winds, hail and even a few tornadoes.

A sudden intense hailstorm stunned the Bolivian city of Tarija, covering streets with in ice and burying cars under mounds of hail. The storm damaged homes and sent hundreds of workers scrambling to repair infrastructure and clear the frozen mess left behind.

This plastic-eating, self-powered robotic fish could mark the beginning of a new era in environmental cleanup, in which technology doesn’t just consume energy but gives some back to the planet.

Time-lapse video shows a nor’easter as it arrived in North Wildwood, New Jersey, sending floodwaters rushing through streets and swallowing parts of the boardwalk. As the water crept higher, it eventually overtook curbs, swamped power poles and even reached the first floors of homes as flooding reached nearly 8 feet high in some areas.