Japan quake causes day to get a bit shorter
NASA geophysicist calculates that Earth's rotation sped up by 1.6 microseconds
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NASA geophysicist calculates that Earth's rotation sped up by 1.6 microseconds
Nations across the world react to the tsunami in Japan.
Magnitude-8.9 "megathrust" quake is similar to what happened during 2004 Sumatra quake and the one last year in Chile
Flickr Earthquake Photos
Blocked roads, random checkpoints set up by hundreds of police in Riyadh prevent protesters from calling for reform
Pro-Qaddafi forces have made significant gains in last 48 hours, but rebels hold out in Ras Lanouf
A look at some of the deadliest earthquakes in the last 50 years
President vows to help Japanese, Navy poised to deploy ships after massive quake; U.S. emergency crews brace for possible west coast, Hawaii tsunami
American living in Tokyo describes Japan's largest recorded earthquake as like having a "sustained sense of vertigo"
Massive waves sweep inland after 8.9 magnitude quake, the largest in Japan's recorded history
How numbers on the Richter scale translate into human and property casualties
8.9-magnitude earthquake strikes northern Japan, causing massive waves across islands
China's Ministry of Culture confirms antiestablishment folk musician will be allowed to play Chinese tour dates
Saif al-Islam Qaddafi tells CBS News that Libyan regime loyalists have broken the back of pro-democracy resistance
Bomb-sniffing springer spaniel mix died after dog handler with Royal Army Veterinary Corps was killed in firefight