NASA 'moonbuggy race' in Alabama pits teams from around world to encourage science
Copper prices reel from worries about global economy, demand; other commodities mostly lower
Lighting a rocket is easy; the tough part is controlling it, making its parts work together
US Treasurys return to familiar highs as resurgent jitters about European debt grip markets
Canadian police force executes search warrants at SNC-Lavalin headquarters
Robert Kennedy, publisher of magazines 'Oxygen,' 'MuscleMag,' dies of cancer at 73
Bernanke says Federal Reserve chose best of bad options for dealing with 2008 financial crisis
Oil drops near $103 a barrel as China's economic growth slows, Europe worries return
Best Buy's Dunn abrupt departure sparks speculation; joins list of CEOs with bad behavior
A day after big gains, US stocks pull back on higher European borrowing costs
AP Interview: US aid chief says agency drastically cuts projects in Pakistan for bigger impact
Oil drops near $103 as China's economic growth slows down
A day after big gains, US stocks pull back on slower growth in China
Food and gas costs push US consumer prices higher but inflation otherwise mild
One day after big gains, US stocks pull back on slower growth in China