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The H-bomb explosions in mid-Pacific last year were awesome proof of how big the atom can blow. The 14 test shots at Yucca Flat, Nev., programmed between Feb. 1 and this week, are equally sensational ...

Summary and Key Points: During the Korean War, the U.S. Navy outfitted Iowa-class battleships with nuclear capabilities through Operation Katie, enabling them to fire Mark 23 “Katie” nuclear shells.

How big is an atomic bomb? It took a B-29 to carry the first one, dropped on Hiroshima, which may have weighed more than 10,000 Ibs. The Army’s announcement last week that it will abandon its ...

The shells of chelonians—think turtles, tortoises, and sea turtles—grow in layers, keeping a time-stamped record of environmental conditions. Uranium has shown up in the layers of turtles’ and ...

An international research team has taken a decisive step toward a new generation of atomic clocks. The researchers have created a much more precise pulse generator based on the element scandium, which ...