The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.

A giant clock in New York City is counting down the time the world has left to take action. What that giant clock in NYC’s Union Square is counting down to. Skip to main content ...

The original Doomsday Clock was all about the threat of nuclear annihilation. Little more than a week into President Donald Trump’s second term in office, the nuclear outlook is still unclear.

The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.

The Doomsday Clock doesn’t think so. ... 1947, during a time when nuclear weapons presented the greatest threat to humanity, as the United States and the Soviet Union started a nuclear arms race.

Each year for the past 75 years, the Bulletin of the Atomic Scientists has published a new Doomsday Clock, suggesting just how close – or far – humanity is from the brink. The next edition ...

The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved.