India, Jan. 29 -- The Doomsday Clock, which represents how close humanity is to global disaster, has moved the closest ever to midnight after Donald Trump's return to the White House. The change occurred on Tuesday, January 28, amid concerns over nuclear war, climate change, and public health - which have increased after Trump's second term began.

The Bulletin of the Atomic Scientists, the science-oriented advocacy group which created the clock during the Cold War, set the time at 89 seconds to midnight - the closest it has ever been. The last change occurred back in 2022, when the clock was set to 90 seconds to midnight after Russia invaded Ukraine. In 1947, the clock was originally set at seven minutes to midnight.

The Bulletin of the...