Hurricane Isaac Spurs Design of Storm Surge Warnings

When they strike land, hurricanes bring a slew of threats ashore, from strong winds to flooding rains. The deadliest weapon in a hurricane’s arsenal is its storm surge, the wall of ocean water that the storm’s winds and very low air pressure push ashore.

Epic Hermit Crab Migration Captured On Camera

It’s something you have to see to believe. A beach on the island of St. John in the U.S. Virgin Islands is overtaken by a millions of hermit crabs during the crustacean’s mass migration, turning the sandy shore into a sea of clattering shells and legs.

Istanbul at Night

A night view from the International Space Station, of the densely populated city of Istambul, one of the largest in Europe at 13.5 million inhabitants.