Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

In 1954, the United States detonated Castle Bravo at Bikini Atoll expecting a far smaller blast, but the weapon exploded with a 15-megaton yield and became the largest nuclear test in U.S. history.

The Alaska Earthquake Center says its equipment picked up seismic activity after North Korea's claimed detonation of a hydrogen bomb Tuesday. But the seismic reaction is almost the same as the seismic ...

In northwest North Korea, Mount Mantap became the center of the country’s nuclear testing program between 2006 and 2017, when six underground detonations were carried out beneath the mountain. The ...

WASHINGTON (AP) — The White House says the U.S. government’s early analysis of underground activity in North Korea “is not consistent” with that country’s claim of having conducted a successful ...

THE FIRST NUCLEAR reactor on earth went critical 2 billion years ago in western Africa when groundwater seeped into a rich vein of uranium ore. It controlled itself elegantly, its water moderator ...

Add Yahoo as a preferred source to see more of our stories on Google. Over 35 attendees came to listen to North Central Texas College History Professor Charles Adams’ lecture on the making of the ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs. By William J. Broad President ...