Without the New START treaty, which caps the number of deployed nuclear warheads at 1,550 on each side, there will be no ...

The last remaining nuclear arms pact between Russia and the United States expires Thursday, removing caps on their atomic ...

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The expiration of the last remaining nuclear treaty between the United States and Russia on Thursday has sparked fears about a nuclear arms race, with the two biggest nuclear superpowers without ...

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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 ...

Representatives from the U.S., Ukraine and Russia met in Abu Dhabi for a second round of peace talks as Russia continues to ...

The termination of the New START Treaty would set the stage for what many fear could be an unconstrained nuclear arms race.

The last remaining nuclear treaty between the U.S. and Russia is set to expire Thursday, ending decades of arms control between the two countries with the largest nuclear arsenals.