The Arctic polar vortex is expected to move south, which will lead to the coldest, harshest winter in years. Wyoming ...

Discover why bees are crucial to global ecosystems and human survival in this in-depth exploration of their remarkable role ...

Iran's capital is counting down to "day zero" - the day the water runs out and the taps run dry. Reservoirs that supply ...

The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

Polar vortex systems will bring dangerously cold weather to much of the U.S. this month. Learn how to stay safe, and which ...

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...