A mass evacuation is underway after the remnants of Typhoon Halong devastated coastal communities in western Alaska over the weekend.

A new blob has been issued by the National Hurricane Center, according to a Thursday afternoon update. A tropical wave located over the central Atlantic will head west toward the Caribbean and could bring some slow development when it reaches the region by the middle of next week. Should this wave get organized and form a tropical storm, it will take the name Melissa, but it is too soon to know if the storm will be named or if it would pose a threat to the mainland U.S. Here’s the latest.

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.

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.

Three coronal mass ejections (CMEs) are heading toward Earth, and the Space Weather Prediction Center has forecast geomagnetic storms to light up the night sky. That could lead to impressive auroras in some northern states, if the weather cooperates. Watch this video for more information.