Extrasolar planet discoveries have boosted by 50 percent the number of known planets orbiting massive stars. Extrasolar planets are those outside of our solar system.
Santa Ana winds combined with a storm system to produce 100 m.p.h. winds in California and other Western states. The science behind the Santa Ana winds and this storm.
Santa Ana winds left a path of destruction through California, Utah, Nevada, Colorado and other Western states. More Santa Ana winds are expected Friday.
Santa Ana winds: Pasadena is reporting hundreds of trees down and one wind-related injury. Hundreds of thousands of Southern California residents are without power from the worst Santa Anna winds in more than a decade.
NASA's rover Curiosity lifted off Saturday for its 354-million-mile cruise to Mars. After its nearly nine-month trip, the six-wheeled robot will descend to begin studying the environment for a better understanding of the red planet's history.
NASA's Mars explorer Curiosity, the most capable robotic rover ever built for taking the measure of a planet, is to launch Saturday morning. Curiosity will analyze the layered terrain in Gale Crater to read in its rocks the history of the environment there.
After a decade of "following the water," planetary scientists want to see if water co-existed with other critical environmental conditions that could have allowed simple forms of life to emerge.
NASA's Mars Science Laboratory, which includes the car-sized Curiosity rover, arrived on its Cape Canaveral launchpad on Thursday. But some experts worry about the lack of funding for Mars missions beyond 2013.
The size of a small car, NASA's one-ton Curiosity Mars rover contains twice the number of scientific instruments as its predecessors, plus a drill that will allow it to bore into the Red Planet's rocks.
American economists Thomas Sargent of New York University and Christopher Sims of Princeton were awarded the Nobel Prize in Economics for developing analytical methods used by governments today.