Atomic clocks are the best timekeepers humanity's got these days, but scientists are working toward something even better: a ...

The Doomsday Clock, a symbolic representation of the time remaining until global catastrophe, has moved 4 seconds closer to ...

Russia vowed Wednesday to act "responsibly" should its last nuclear treaty with the United States expire on February 5, amid ...

President Donald Trump has set another deadline, according to Ukraine's Volodymyr Zelenskyy, who said the U.S. wants a deal ...

Perspective: Washington and Moscow are sleepwalking into a new arms race—while AI speeds the march to a nuclear ...

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in the cards.

Short-seller Wolfpack Research says IonQ misled investors about canceled government earmarks; it also points to suspicious ...

Russia said Wednesday it was "no longer bound" by limits on the number of nuclear warheads it could deploy, as its last arms ...

China rejected calls to enter talks on a new nuclear treaty after a US-Russian agreement expired on Thursday, ending decades of restrictions on how many warheads the two powers can deploy.

A Russian official said Moscow is ready to respond with military measures if the United States deploys its missile defense program to Greenland.

Curling is anything but boring – it’s my surprise Winter Olympics obsession - COMMENT: Long dismissed as low-octane, ‘chess on ice’ turns out to be one of the most gripping sports at the Winter ...