WASHINGTON/CAMBRIDGE, Mass. Scientists for the first time have detected gravitational waves, ripples in space and time hypothesized by Albert Einstein a century ago, in a landmark discovery announced on Thursday that opens a new window for studying the cosmos. | Video
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WASHINGTON There are currently no plans for joint naval patrols by the United States and India, the U.S. State Department said on Thursday.
SEOUL South Korea has cut off the supply of power and water into the Kaesong industrial zone run jointly with North Korea, it said on Friday, hours after the North kicked out the South's workers and froze the assets of companies operating there.
WASHINGTON The number of Americans filing for unemployment benefits fell more than expected last week, suggesting the labor market remains on solid footing despite slowing economic growth and a stock market rout.
MUNICH Major powers began a new round of Syria talks on Thursday focusing on calls for a ceasefire and access for aid, but the mood was dour with Moscow showing no sign of calling off its bombing in support of a massive new government advance. | Video
WASHINGTON Federal Reserve Chair Janet Yellen returned to Congress on Thursday and again stressed that the U.S. central bank was not on a "pre-set" path to return policy to "normal" given a worsening meltdown in global stock markets.
WASHINGTON The United States blacklisted three people on Thursday for working for Islamic State, including the militant group's most prominent ideologue and a senior oil official.
MUNICH Russian Prime Minister Dmitry Medvedev raised the specter of an interminable or a world war if powers failed to negotiate an end to the conflict in Syria and warned against any ground operations by U.S. and Arab forces.