Add Yahoo as a preferred source to see more of our stories on Google. Is humanity doomed? The annual update of the Doomsday Clock was announced at 10 a.m. this morning in Washington, DC. The Bulletin ...

The Bulletin of Atomic Scientists. is set to release a new setting for the Doomsday Clock on January 27. Perhaps we will be a bit safer from nuclear catastrophe, perhaps a bit closer. Somehow, though, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

When it comes to navigation in outer space, keeping precise time is incredibly important, that's why NASA needs to use high-precision time keeping.

World's first thorium-229 nuclear clock shows potential for ultra-precise timekeeping and fundamental physics tests.

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 ...