Five forms of new technology that can change the world: From the computer that beats humans on "Jeopardy!" to cellphone apps for African pick-and-hoe farmers, to satellites that spy on human rights abusers.
Gov. Jerry Brown needed four GOP votes to advance his California budget plan. The fact that talks failed without Republicans winning any concessions may come back to bite them.
The business community was instrumental in defeating an Arizona birthright-citizenship bill and passing a Utah guest-worker program, suggesting it could be a key force on immigration reform.
Shinmoedake volcano: The Shinmoedake cone on the Kirishima mountain range erupted on Sunday, the largest blast from the volcano in 52 years.
By changing the distribution of mass on the earth, Japan's earthquake sped up the planet's rotation, shortening the day by 1.8 microseconds, a new analysis has found.
Like the other 14 biggest earthquakes since 1900, the magnitude 8.9 event – that shook Japan and triggered tsunamis that swept the Pacific – was created by a piece of the Earth's crust shoving down into the planet's interior.
8.9 earthquake: A series of large foreshocks preceded Japan's earthquake, the fifth largest ever recorded.
For 30 years, the space shuttle launch has served as the centerpiece of the US space program. But Feb. 24 will mark the last shuttle launch of Discovery, with the final flight of Endeavour to follow in April and – if there's enough money – Atlantis's last flight of the entire program in June. Here are five questions about what the shuttles have – and haven't – accomplished.
American race car driver Danica Patrick shows off her trophy after winning the Indy Japan 300 at Twin Ring Motegi in Motegi, Japan, in 2008. She became the first female winner in IndyCar history.
Photos from the Stardust-NExT rendezvous with comet Tempel 1 are streaming in. Some show a crater that was created by a different NASA mission but never sucessfully photographed.