A grapefruit-sized sphere of plutonium holds enough energy to wipe a city off the map. But how does that actually work? From ...

The Department of Energy bills Genesis as an AI push for scientific discovery. Its first public challenges tell a different ...

A new report from two MIT researchers attempts to dig into the specifics of a shadowy Russian weapons program they call ...

Iran war negotiations are putting the country's uranium enrichment program back under scrutiny ...

Confusion on whether Iran truly needed only “two weeks to four weeks” to make a nuclear weapon, as President Donald Trump suggested on Monday, hangs over the ongoing U.S. and Israeli war on the ...

One of fusion energy’s biggest selling points is that it is supposed to be ...

Iran is extremely unlikely to produce functional nuclear bombs in the current environment—and certainly not quickly. The disruptions from Israeli and U.S. operations (including the ongoing strikes), ...

The world's longest-lived vertebrate puzzled scientists for decades, until radioactive carbon released by thermonuclear ...

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 ...

America 250: The history and impact of Los Alamos ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

In the many-sided conflict now underway against Iran (i.e., simultaneous and complementary operations led by the United States and Israel),[1] little concern has been expressed for a nuclear war. To ...