Leading scientists head to the western tropical Pacific, where storms influence climate worldwide.

It’s hard to escape the cold now plowing into the eastern United States. Amid all the hype, what stands out about this early winter onslaught?

Next month’s Super Bowl will be the first ever held in an open stadium in the northern U.S. What weather might we expect two weeks from now, and how might research improve a forecast in that time range?

If the official weather forecast holds, Sunday's Super Bowl won’t have to be postponed. But the outlook would be far more uncertain if predictions today were as primitive as they were at the time of the first Super Bowl in 1967.

Techniques used in weather and climate forecasting are helping to predict peak flu outbreaks.