After last week's busy stretch, severe weather will pick up again late this week, lasting into Monday. Another round is expected in the nation's mid-section. Here's a closer look at the forecast.
A powerful 7.4 magnitude earthquake struck Japan on Monday, and the government has released a warning of a possible “megaquake” to follow. We explore what that is.
The latest outlook through August shows where peak summer heat may be in the U.S., and also who might keep their cool, And, yes, El Niño may play a role.