Add Yahoo as a preferred source to see more of our stories on Google. Each year for the past 78 years, the Bulletin of the Atomic Scientists has published a new Doomsday Clock, suggesting just how ...

The annual update of the Doomsday Clock was announced at 10 a.m. this morning in Washington, DC. The Bulletin of the Atomic Scientists announced that the Doomsday Clock this year was set to 90 seconds ...

Learn more about the study that links some physical and mental health issues to our awareness of global challenges. If you’ve been feeling a little down as the “Doomsday Clock” ticks ever closer to ...

The most accurate clock in space launches within days and will begin building a highly synchronised network out of the best clocks on Earth. But the project, decades in preparation, will only operate ...

This article was updated at 2:07 p.m. Eastern Time. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. In a sign of pessimism about humanity's future, ...