Wars, climate change, disruptive technologies and the rise of autocracy over the past year prompted scientists to set the clock at 85 seconds to midnight.

Atomic scientists set their “Doomsday Clock” on Tuesday closer than ever to midnight, citing aggressive behaviour by nuclear powers Russia, China and the United ‍States, fraying nuclear arms control, ...

Those factors include nuclear annihilation as well as climactic disasters; AI advancing faster than the ability to govern it; biological risks and spread of disease; the rise of autocracies; and proli...