A science-oriented advocacy group advanced its famous clock to 89 seconds Tuesday, the closest it has ever been.

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

The Doomsday Clock now stands at 89 seconds to midnight reflecting unprecedented global risks including nuclear proliferation and climate change.

Scientists advance 'Doomsday Clock' to 89 seconds till midnight, citing multiple global threats. Nuclear proliferation, ...

For the first time in three years, the Bulletin of the Atomic Scientists moved the Doomsday Clock forward by one second.

The Doomsday Clock, a concept designed by the Bulletin of the Atomic Scientists to represent humanity’s proximity to a global ...