The Doomsday Clock is now 90 seconds to midnight, the closest ever, due to nuclear, climate, and tech risks amid rising global tensions.

The Doomsday Clock has been set to 90 seconds before midnight, the closest it has ever been, according to the Bulletin of the Atomic Scientists. The decision reflects growing global risks from nuclear weapons, climate change, and emerging technologies, with the scientists citing heightened geopolitical tensions and the potential for catastrophic conflict during the first year of the Trump administration.