July 26, 2014; 4:56 AM ET
The Cleveland area will see a return of thunderstorms into the weekend. more >
A new video gives an extended look at the record-breaking first test flight by a company that aims to begin lofting passengers on balloon cruises to near-space by 2016.
Hikers in Colorado's Rocky Mountain National Park are taking precautions after two visitors were killed by lightning strikes in recent days.