SAN FRANCISCO - Scientists think they have discovered the energy source of auroras borealis, the spectacular color displays seen in the upper latitudes of the Northern Hemisphere.
NEW YORK - A judge gave a tentative go-ahead to lawsuits filed on behalf of five men wrongly convicted in the notorious 1989 Central Park jogger attack, tossing out some claims but allowing others to proceed against the city.
WASHINGTON - President Bush granted pardons Tuesday to carjackers, drug dealers, a moonshiner and a violator of election laws, but not to I. Lewis ''Scooter'' Libby, his vice president's former top aide who was convicted in the case of the leaked identity of a CIA operative.
WASHINGTON (AP) - Scientists think they have figured out why pregnant women don't lose their balance and topple over despite ever-growing weight up front.
WASHINGTON - The CIA failed to fully inform Congress that it was videotaping the harsh interrogations of terrorist suspects and that it destroyed the tapes in 2005, the bipartisan leaders of the House Intelligence Committee said Wednesday.
NEW YORK (AP) - Chinese citizens flush with cash from their booming economy will find it easier to vacation in the U.S. following a long-awaited agreement that the American travel industry hopes will bring in billions of dollars.
VALLEJO, Calif. - Election Day turned into Groundhog Day in this waterfront city.
NEW YORK (AP) - Scientists eased symptoms of muscular dystrophy in mice by injecting modified stem cells from human patients, a preliminary result that raises hopes for treating patients with tissue from their own bodies.
WASHINGTON - The Federal Reserve on Wednesday announced a novel approach to injecting money into the banking system as it struggles to combat a severe credit crunch that threatens to drag the country into a recession.
LAS VEGAS - Police searched for two gunmen Wednesday who wounded six young people at a bus stop, an attack that officials believe stemmed from a fight about a girl. Tight security met students entering high schools.
DENVER - The family of a young man who went on a deadly shooting rampage in two Colorado religious centers before killing himself said Wednesday that they are ''groping for answers'' and praying for the victims' families.
TOLEDO, Ohio - An attorney and former city councilwoman was getting treatment after admitting she fabricated her tale of being kidnapped at gunpoint last week, her husband said Tuesday. Police said she probably will be charged with filing a false report.
COLORADO SPRINGS, Colo. - The man who killed four people at a church and missionary training center shot himself in the head and died after being hit by shots from a church security officer, police said Tuesday.
WASHINGTON (AP) - An already relentless melting of the Arctic greatly accelerated this summer, a warning sign that some scientists worry could mean global warming has passed an ominous tipping point. One even speculated that summer sea ice would be gone in five years.
HOUSTON - When Rita Grofer heard that Royce Clyde Zeigler II was accused of beating his 2-year-old stepdaughter to death because the toddler failed to say ''please,'' and ''yes, sir,'' her blood chilled.