Hunt on for survivalist charged in trooper killing

    BLOOMING GROVE, Pa. (AP) — Hundreds of law enforcement officers fanned out across the dense northeastern Pennsylvania woods Tuesday in the hunt for a heavily armed survivalist suspected of ambushing two troopers as part of a deadly vendetta against police.

    Obama on Ebola: 'World has a responsibility to act'

    President Barack Obama said Tuesday "the world has a responsibility to act" to save the lives of West Africans threatened by a growing Ebola epidemic, and that the United States would devote significant new resources to curbing the spread of the disease.

    Ukraine ratifies association with E.U. but makes big concessions to rebels

    KIEV, Ukraine -- Ukraine on Tuesday ratified a landmark deal to move closer to the European Union, while also making painful concessions to Russia in a sign that the nation is far from escaping its neighbor's orbit.

    Boeing and SpaceX to take Americans to space station

    Boeing and the Space Exploration Technologies Corp. are the winners in the competition to carry Americans astronauts to the International Space Station, NASA announced Tuesday.

    What would an independent Scotland be like?

    Scotland has been England's junior partner in the United Kingdom since 1707. But three centuries is no time at all in the view of many Scots, who regularly re-enact 14th century sword battles they had with the English and have insisted on self-determination, on and off, ever since. That prospect is now nearer than ever. Scottish voters will decide Thursday whether to become independent once again.

    Obama's Ebola response: Is it enough and in time?

    WASHINGTON (AP) — President Barack Obama declared Tuesday that the Ebola epidemic in West Africa could threaten security around the world, and he ordered 3,000 U.