All-time record temperatures were set in Southeast, while millions were still without power after Friday's severe weather.
Three new sea level rise studies published during the past week spell trouble for portions of the East and West Coasts.
The Word from Stephen Colbert as he adds his spin on a proposed North Carolina law on sea level rise.
The sap flow from the maple trees is governed by alternate freezing and thawing patterns in the late winter.
Warm winter weather brought an unusual visitor -- a Rufous hummingbird -- to a New York City museum.
Unusually warm weather spurred an early peak of blooms for tourists in D.C.
A map illustrating the high probability of thunderstorms for the Eastern U.S. for Friday
Winter storms are hitting the West Coast, while much of the country remains milder and drier than average.