00:57 duration 57 seconds
Severe Weather Targets the Midwest Wednesday
Hot, humid air over the Midwest will fuel a series of strong afternoon storms on Wednesday.
00:49 duration 49 seconds
Strong Drenching Storms Target the Northeast
A cold front will trigger strong, gusty storms along the Eastern Great Lakes Thursday.
Deadly MERS Virus Traced to Egyptian Bat Species
The mysterious, deadly MERS virus, a "distant relative" of SARS, has been traced to an Egyptian tomb bat, thanks to a team of researchers at Columbia University.
00:59 duration 59 seconds
What's Killing the Dolphins?
Scientists are struggling to find out what is causing a massive die-off of bottlenose dolphins along the East Coast of the United States.
Twin Explosions in Lebanon Kill Dozens
Deadly explosions outside mosques in Tripoli wound hundreds and killed at least 29 people