The Bulletin of the Atomic Scientists cited climate change, instability in the Middle East and the threat of pandemics as reasons the Earth is closer than ever to total destruction.

"This is a bleak picture. But it is not yet irreversible."

Earth is moving closer to destruction, a science-oriented advocacy group said Tuesday as it advanced its famous “Doomsday Clock” to 89 seconds till midnight, the closest it has ever been.