MIAMI (Reuters) - A swirling mass of thunderstorms off the South Carolina coast has a 50-percent chance of developing into a tropical depression or a tropical storm and could bring an early start to the Atlantic hurricane season, forecasters said on Saturday. The weather disturbance was in the Atlantic Ocean about 120 miles southeast of Myrtle Beach, South Carolina, forecasters at the National Hurricane Center in Miami said. "Showers and thunderstorms have increased near the circulation center. ...

Lower temperatures and higher humidity Saturday were expected to help crews assigned to a wildfire that has scorched 12 square miles in northern Colorado.

Discovered: Kids brains look different than adults brains when exercising, how to make schools healthier and how thunderclouds are contributing to climate change. This is your child's brain on exercise. It looks different than your adult brain, finds research. When kids exercise they change the way their brains work. "In the last several years there have been data suggesting that neurobiological changes are happening -- [there are] very brain-specific mechanisms at work here," explains researcher David Bucci. ...

Wheat futures soared again Friday as more concerns about dry weather hit the market.

NASA hasn't seen this much launch jitters since the space shuttle program ended last summer.

Firefighters at a wildfire burning about 12 square miles in northern Colorado expect warm stormy weather will make their work more difficult Friday, but they hope to be able to allow evacuated residents to return home soon.