In the 1950s, American scientists designed a spaceship powered by nuclear explosions capable of reaching another star system ...

In 1957, scientists detonated a nuclear bomb under the Nevada desert — and launched a steel manhole cover at unimaginable ...

Space-based nuclear weapons are a serious matter, and one that deserves the very highest level of national attention.

The Lawrence Livermore National Laboratory study shows that the formation of radioactive fallout is more complex than some ...

When a nuclear accident happens, it’s vital that scientists have accurate fallout models.

By recreating a nuclear fireball, scientists uncovered unexpected chemistry that could change how radioactive fallout is ...

The current crisis over Iran’s nuclear program has reached an extraordinary level, climaxing shockingly with President Trump’s April 7 threat to destroy Iran’s “civilization” if it did not comply with ...

During the Vietnam war, an accident on the USS Ticonderoga led to a B43 thermonuclear weapon disappearing beneath the waves ...

Little is known about Pickaxe Mountain, but some experts say it illustrates the impossibility of relying on force alone to prevent Iran from acquiring a nuclear bomb. By Michael Crowley Reporting from ...

An unusual crystal created by America’s first nuclear bomb test could help scientists understand a structure needed for quantum computers, solar power, and batteries. Reading time 3 minutes America’s ...

As rain poured on the northern provinces of Iran in late March, a somber crowd snaked through the mountain ranges of Asara carrying the coffin of Mohammad Reza Kia. The city of just a few thousand ...