Explore the ancient mechanism some believe was built to track the end of days—and why it's still ticking after 5,000 years.

More To The Story Is AI Pushing Us Closer to Nuclear Disaster? On this week’s “More To The Story,” Daniel Holz from the Bulletin of the Atomic Scientists discusses why the hands of the Doomsday Clock ...

If Trump is interested in resolving this crisis, diplomacy remains the best method for preventing a nuclear breakout in Iran and beyond.

Many narrators continue to portray Oppenheimer as the father of the atomic bomb. But crediting him was part of a strategy to make nuclear weapons look like an unambiguous force of good—not of evil.

Earth just had one of its shortest days on record, and it's not alone. Our planet is spinning faster, with two more shorter-than-usual days ahead.