A Soyuz spacecraft carrying a fresh crew docked with the International Space Station, part of the routine but perilous choreography keeping humans permanently in orbit.

Thousands of Bahraini protesters reoccupied Manama's Pearl Roundabout after security forces withdrew, reviving the country's Arab Spring uprising.

Tens of thousands of protesters clashed with security forces across Egypt in continuing demonstrations demanding deeper reform after Hosni Mubarak's fall.

A magnitude-9.0 earthquake off Japan's northeast coast unleashed a tsunami that killed nearly 20,000 people and triggered the Fukushima nuclear disaster.

Protesters in Damascus and Daraa staged the first large demonstrations of what became known as the 'Day of Rage,' igniting the uprising that spiraled into Syria's civil war.

Apple's iPad 2 went on sale, thinner and faster than the original tablet and adding front and rear cameras, cementing the tablet computing category Apple had launched a year prior.

Foreign ministers from 40 countries met in London to coordinate international intervention in Libya's civil war against Muammar Gaddafi's forces.

Prince William marries Catherine Middleton at Westminster Abbey, watched by an estimated two billion people worldwide.

U.S. Navy SEALs raided a compound in Abbottabad, Pakistan, and killed al-Qaeda leader Osama bin Laden nearly a decade after the September 11 attacks.

U.S. Navy SEALs killed Osama bin Laden in a raid on his compound in Abbottabad, Pakistan, ending a nearly decade-long manhunt after the September 11 attacks.

Steve Jobs, in his final public keynote, introduced Apple's iCloud service at WWDC, pitching a future where devices sync seamlessly without wires.

Space Shuttle Atlantis launched on STS-135, the final flight of NASA's 30-year Space Shuttle program, from Kennedy Space Center.

Three coordinated bomb blasts tore through crowded districts of Mumbai during the evening rush hour, killing 26 people and wounding over 130.

Anders Behring Breivik murdered 69 people, mostly teenagers, at a Norwegian Labour Party youth camp on Utøya island, hours after bombing Oslo's government quarter.

NASA's MESSENGER spacecraft completed its primary mapping mission of Mercury, delivering the first complete portrait of the innermost planet.

Libyan revolutionary forces captured and killed Muammar Gaddafi near his hometown of Sirte after his convoy was struck fleeing NATO airstrikes, ending his 42-year rule.

NASA's MESSENGER spacecraft, orbiting Mercury, transmits data revealing the planet's surprising volcanic history and unusual magnetic field structure.