In 1994, astronomers witnessed one of the most dramatic events ever recorded in space when comet Shoemaker–Levy 9 smashed ...

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 ...

There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

Add Yahoo as a preferred source to see more of our stories on Google. A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020.

Can Iran bomb the U.S.? Does Iran have nuclear weapons? These are the closest potential targets to Wilmington.

Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

Gravity nuclear bombs are some of the most dangerous nuclear weapons ever created. These kinds of bombs, also known as ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...

Social media-fueled theories of World War 3 have raised questions over what US states are safe should nuclear war happen.

Editor’s note: This story is the first of a two-part series. The second installment will appear in Monday’s newspaper. Near the end of a washboard gravel road climbing uphill about five miles off ...