The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

Alex Sundby is a senior editor at CBSNews.com. In addition to editing content, Alex also covers breaking news, writing about crime and severe weather as well as everything from multistate lottery ...

“Humanity Edging Closer To Catastrophe”: Iconic Doomsday Clock moves one second closer to midnight as global existential threats rage. Clock factors include nuclear weapons, climate crisis, artificial ...

Humanity is closer than ever to catastrophe, according to the atomic scientists behind the Doomsday Clock. The ominous metaphor ticked one second closer to midnight this week. The clock now stands ...