This storm will enter California and the West Coast on Wednesday with rain and mountain snow. It will then head into the central and eastern states late this week into the weekend with severe weather, snow and high winds.

Are you craving spring? Well, Winter Storm Marisol has other plans for those from the Rockies through the northern Great Lakes. This system will dump snow and usher in gusty winds and colder temperatures. Travel could become hazardous as the combination of snow and high winds could produce whiteout conditions. Places from Salt Lake City to Denver and Fargo to Minneapolis could feel impacts. Time it out here.

There's one key item you should add to your tornado preparedness plan if it's not already there: A helmet. We talked to an expert about why wearing a helmet in a tornado warning matters, and what kinds of helmets can help you avoid injury.

You might have heard the old saying that if a cow lies down, it’s going to rain. But can cows really predict the weather? We took a look at this myth to see if it’s true or not. Here’s what the science says about cows and rain.

A massive fireball could be seen on satellite after a U.S.-flagged tanker carrying jet fuel and a container ship from Portugal collided off the English coast on Monday. Watch this video for the latest on what happened and the rescue operations.