Cross-Country Storm Ramping Up Now
Snowfall could slow down travel in some areas of the Midwest and Northeast into this weekend.
Highest Pressure in 300 Years
Barometer readings in London have soared to their highest values since the 1600s.
Temps: What to Expect From February to April
The lack of El Niño and La Niña is one factor in the forecast into spring.
Life on a Frozen Continent
What it's like to carry out research two miles high and thousands of miles from civilization.
How Winter Weather Is Changing
How are disappearing sea ice and changes in the Arctic influencing winter weather in the U.S.?
