
The U.N. has started military operations against Ivorian leader Laurent Gbagbo, who has refused to cede power after losing a recent election. Rebels in the nation continue their push to depose Gbagbo.

Osama bin Laden emerged from the ranks of a wealthy Saudi Arabian family to lead a global terrorist network that targeted the Western world with a series of deadly attacks.

Wildfires have consumed more than 4.2 million acres of land across the U.S. so far this year, a number more than double the most recent 10-year average, but there's still hope that 2011 won't be a record year — all that winter snow in the Rockies, Sierras and Cascades should keep Western areas green long enough to get through the summer heat.

A magnitude 9 earthquake struck Japan on 11 March 2011, triggering a powerful tsunami and severely damaging the Fukushima Daiichi nuclear power station. This is the story of the struggle to regain control of the failing station, and to deal with the released radioactivity. It had been compiled from the continuing and excellent reporting by the Nature News team.

This timeline shows key events from the U.S. Apollo human spaceflight program to take humans to the Moon. Produced by the National Air and Space Museum in celebration of the 40th anniversary of the Apollo 11 moon landing.
Member since: Jul 2011