Heavy rain, gusty winds and some coastal flooding will impact the Carolinas regardless if the system becomes Helene or not.

After a massive glacier collapse in Greenland triggered a mega-tsunami, the entire planet recorded vibrations for nine straight days - much longer than any earthquake. So what actually happened? Scientists think they finally have their answer.

Typhoon Bebinca slammed into Shanghai, China, with destructive winds and rain that toppled thousands of trees and ripped apart buildings in the bustling business district. Although schools were closed and hundreds of thousands of people evacuated, many found themselves caught in the dangerous storm. Watch this video for the full story.

Rain will return across much of the Northeast on Wednesday with soggy weather lingering through the end of the week. This rainy weather will be joined by a slight cooldown of temperatures.

Forecasters at NOAA's Climate Prediction Center say La Niña could form in the coming weeks. La Niña is expected to emerge this fall and last through the winter months.