Newly Unbound, Trump Weighs More Nuclear Arms and Underground Tests

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is ...

Fears of new nuclear arms race grow as key U.S.-Russia treaty expires

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

US-Russia treaty capping nuclear warheads lapses. What happens next?

The New START Treaty expired, ending verifiable caps on U.S. and Russian nuclear arsenals as tensions rise over China's ...

US accuses China of breaking rules on nuclear weapons by hiding explosions and preparing for more testing

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger ...

For the first time in decades, the U.S. and Russia have no limits on nuclear weapons

Experts warn that the expiration of a long-standing nuclear arms control treaty between the two superpowers could mark the ...

Trump urges new nuclear treaty after Russia agreement ends

US President Donald Trump on Thursday called for a brand new nuclear treaty after the last agreement with Russia expired, prompting fears of a new global arms race.- 'Unconstrained nuclear ...

Nuclear Arms Control Era Comes to End Amid Global Rush for New Weapons

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

US-Russia nuclear treaty expires as warnings grow of new arms race

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 ...