Putin Demands Ukraine Pay Ahead for Gas Supply

Russian President Vladimir Putin said on Thursday that his country would only deliver crucial gas supplies to Ukraine on a pre-paid basis after June 1 since...

Kerry: Chlorine Gas May Have Been Used in Syria

The U.S. Secretary of State told reporters he has seen "raw data" indicating the chemical weapon was used in recent attacks. If proven, the allegations would...

Quasar Eats Gas, Throws Up

A rare breed of black hole, 15 million light years away, sheds light on a cosmic mystery

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