The storm that is threatening 60 million Americans in the eastern third of the nation in just a couple of days with persistent high winds, drenching rains, extreme tides, flooding and probably snow is much more than just an ordinary weather system. It's a freakish and unprecedented monster.

Officials in the D.C. area girded for heavy rains and dangerous winds on Sunday into next week, as Hurricane Sandy creeps up the eastern seaboard.
The storm that is threatening 60 million Americans in the eastern third of the nation in just a couple of days with high winds, drenching rains, extreme tides, flooding and probably snow is much more than just an ordinary weather system. It's a freakish and unprecedented monster.

Global warming has ignited a rush to exploit Arctic resources — and Greenpeace is determined to thwart that stampede.
Global warming has ignited a rush to exploit Arctic resources _ and Greenpeace is determined to thwart that stampede.
Critical ice in the Arctic Ocean melted to record low levels this sweltering summer and that can make weather more extreme far away from the poles, scientists say.

In honor of Discovery Channel's Shark Week, let's look at the best movies starring one of the world's oldest ocean predators.
Nearly all of Greenland's massive ice sheet suddenly started melting a bit this month, a freak event that surprised scientists.
An iceberg twice the size of Manhattan tore off one of Greenland's largest glaciers, illustrating another dramatic change to the warming island.