July 22, 2014; 1:43 AM ET
Plenty of humidity and sunshine is in store for Cleveland for the next several days before thunderstorms push into the region. 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.