Humanity is still at a'time of unprecedented danger.'. Scientists updated the Doomsday Clock Tuesday, revealing they are keeping it at 90 seconds to midnight as in 2023, which is the theoretical point of annihilation. The unchanged clock - a symbolic timepiece showing how close the world is to ending - was accredited to the wars in Ukraine and Gaza, an acceleration in the nuclear arms race and advancements of AI. The Bulletin of the Atomic Scientists, which decides where the hands are set, said it is the closest to global catastrophe it has ever been. Rachel Bronson, the bulletin's president and CEO, said: 'Conflict hot spots around the world carry the threat of nuclear escalation, climate change is already causing death and destruction, and disruptive technologies like AI and biological research advance faster than their safeguards.'