An ash plume from an erupting glacial volcano in Iceland continues to cause problems for airports worldwide. Ray Suarez reports from London on the dangers the volcanic ash poses for air travel.

More than 700 people are dead after one of the most powerful earthquakes in more than a century hit Chile on Saturday. Since then, troops and police have cracked down on curfew violations in an effort to stop violence and…

The Midwest awoke to a forceful magnitude 5.2 earthquake early Friday morning. The earthquake, centered in southern Illinois, damaged property but no injuries were reported. Ray Suarez talks to an expert about the rare Midwest quake.