What's driving re-burns across California and the West?

Seasonal temperature, moisture loss from plants and wind speed are what primarily drive fires that sweep across the same landscape multiple times, a new study reveals. These findings and others could help land managers plan ...

South cleans up from tornadoes as blizzards advance north

Communities from Texas to Florida began assisting survivors and cleaning up Thursday after tornadoes left scattered destruction and at least three people dead across the South. To the north, blizzards continued to pound the ...

Massive US storm brings tornadoes to South, blizzard threat

A massive storm blowing across the country Tuesday spawned several tornadoes that wrecked buildings and injured a handful of people in Oklahoma and Texas, left two people missing in Louisiana and saw much of the central United ...

Volcano knocks Mauna Loa carbon monitoring station offline

The eruption of Hawaii's Mauna Loa volcano has temporarily knocked off power to the world's premier station that measures heat-trapping carbon dioxide in the atmosphere, but officials Wednesday say it won't be a problem.

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