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.

A fiery fountain lit up Hawaii’s night sky as the Kīlauea volcano erupted with the most powerful display of its current eruption. It sent lava soaring nearly 1,500 feet into the air, marking a dramatic new record in this chapter of the volcano’s showstopping history.

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.