HANOVER, Germany, May 6 (UPI) -- Expanding nuclear power to meet growing energy demand worldwide may be hindered by the lack of repositories for spent nuclear fuel, but planned national underground repositories in some countries and interim storage options could sustain nuclear energy's rapid growth in the short term.

A nuclear non-proliferation initiative came under recent attack in Congress after a report accused the program of failing to accomplish its original purpose.

MOSCOW, May 26 (UPI) -- Russia and the United States agree -- even those who hardly know any laws of physics can make an atomic bomb with the help of instructions on the Internet.

, Nov. 15 (UPI) -- MAGMA RESERVOIR BENEATH MT. VESUVIUS