The lack of essential supply chains and process technologies necessary to commercialize fusion energy could doom the US and ...

David Corenswet gives easily the best Kal-El performance since Christopher Reeve. But how does James Gunn’s new film stack up?

Nuclear weapons, including atomic and thermonuclear bombs, are among the most destructive forces known to humanity. These weapons of mass destruction harness the power of nuclear fission or a ...

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A new National Academies report finds that nuclear war modeling needs to incorporate more up-to-date science from a range of ...

Experts disagree on how long it would take before Iran develops a bomb, but the disagreement stands on when, not whether.

How difficult is it for a nation to build a nuclear bomb? Experts weighed in on the process after Trump ordered military strikes on Iran’s nuclear sites.

Clean energy from nuclear fusion may soon be commercial. But leaders around the world have done little to prepare.

Unlike other countries that were able to develop nuclear weapons in secret, Iran cannot assume it will be able to keep its work hidden.