The VORTEX-2 tornado research project completed last week aims to increase warning times and reduce false alarms.
Punxsutawney Phil saw his shadow on Groundhog Day Tuesday, which means six more weeks of winter. Here are five things you might not know about this American tradition.
At Copenhagen climate change talks, a research group says this decade is likely to prove the hottest on record.
Some places were colder and got more snow last winter, but that’s in line with today’s models for a warmer climate.