Something unsettling is happening in the hours when most of us are asleep. Across the United States and beyond, a distinct and increasingly dangerous weather phenomenon is drawing urgent attention ...

The world’s largest climate modeling initiative is quietly ramping up its next project, but U.S. participation is a wild card ...

A portable version of the global model used by ECMWF to produce medium-range weather forecasts is being made openly available to all for the first time.