Fishermen pulled in their boats and hotels warned tourists away from beaches Friday as Hurricane Norbert strengthened to a Category 2 storm and bore down on Mexico's southern Baja California Peninsula.

In Australia, the world's driest inhabited continent, there is simply not enough water to go around. So farmers there rely on a unique trading system to make the most of every drop.

The Arctic has become more stormy in the past 50 years due to the warming climate, which in turn has quickened the pace of drifting sea ice, a new NASA study finds.

Hurricane Ike's winds and massive waves destroyed oil platforms, tossed storage tanks and punctured pipelines.