Officials warned that the situation in the parched Alberta oil sands region was unpredictable and dangerous.
The Pavlof Volcano in the Aleutian Islands erupted on Sunday. See photos of the event.
An approaching storm is threatening the mid-Atlantic with ice, high winds and record snowfall. Continue reading →
The aquatic equivalent of a tornado usually appears in tropical waters, but a sudden plunge in temperatures creates them in the Great Lakes as well.
Models present a range of possible outcomes and right now forecasters are still weighing the odds for Joaquin. Continue reading →
These 16 stunning and astonishing images of our world's weather were chosen from over 2,000 submissions.
Climate change has brought us megafires, but the growing El Niño condition can help us predict where they are most likely to ignite this year.
A 7.5-magnitude earthquake struck off the coast of Papua New Guinea Monday, sending startled residents fleeing from their homes, but a tsunami threat passed with no immediate reports of major damage.
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