Nuclear

The radioactive nuclide Ruthenium 106 is believed to have originated in Russia or Kazakhstan

The U.S President reaffirmed the U.S.-South Korea alliance while visiting Seoul.

A nuclear power has threatened another state with destruction in the past—but the previous episode does not bode well for President Trump

"What happens in N.K. also happens in other places," says Cheehyung Harrison Kim. "Why N.K.’s problems are seen as unique and different is really the important question."

"Shelters against atomic and hydrogen bombs are nothing but coffins and tombs prepared in advance," the Soviet Defense Minister said in 1962

Leaders discussed the use of atomic weapons in Korea in a meeting in March of 1953