Atomic scientists on Tuesday moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine, tensions in other world hot spots, military applications of artificial intelligence and climate change as factors underlying the risks of global catastrophe.

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.

Nuclear, disease and AI fears factor into 2025 Doomsday Clock reset The nuclear threat is especially concerning this year, said Manpreet Sethi, a member of the board and distinguished fellow at the Centre for Air Power Studies in New Delhi.