A science-oriented advocacy group says the Earth is moving closer to destruction. The Bulletin of the Atomic Scientists said Tuesday that they've moved their “Doomsday Clock” to 89 seconds to midnight,

The Bulletin of Atomic Scientists announced Tuesday that the "Doomsday Clock" is now set to 89 seconds to midnight.

The Chicago-based Bulletin of the Atomic Scientists, which runs the clock, decided to move the clock one second closer to midnight because of climate change, nuclear threats and biological hazards.

The science that guides the Doomsday Clock, which represents how close humanity is to global catastrophe, has been moved to 89 seconds to midnight, the closest it has ever been.

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.

In a statement outlining the change, the Board highlighted three main reasons for “moving the Doomsday Clock from 90 seconds to 89 seconds to midnight.” These include ongoing nuclear risks, accelerating climate disasters, and emerging biological and technological dangers.

Atomic scientists moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine and other factors underlying the risks of global catastrophe.

Humanity has grown closer to global disaster in the past year, with the Doomsday Clock moving to 89 seconds to midnight.

On January 28, the Bulletin of the Atomic Scientists updated the Doomsday Clock from 90 to 89 seconds until "midnight," as world-ending threats continue escalating at

Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear weapons, climate crisis, artificial intelligence, infectious diseases, and conflicts in Ukraine and the Middle East.

The Doomsday Clock has been updated to reflected that we are closer to the end of the world. Learn more about the metaphorical clock.