The first day of spring passed this week, but flu viruses continue to circulate in the United States. The flu has been severe this season with experts estimating that it may cost the nation nearly $1 billion more than last year.
Recognized annually on March 23, World Meteorological Day commemorates the establishment of the World Meteorological Organization (WMO) on this date in 1950.
An Alberta clipper storm will spread a swath of heavy snow and travel disruptions in a narrow band from central North Dakota to Ohio through Friday night.
Before an earthquake rattles a region, some animals within the vicinity might be able to sense the event just seconds or minutes before it happens.