Russia plans to pull out of nuclear test ban treaty, envoy says

ABC: Trump allegedly discussed sensitive nuclear submarine information with a Mar-a-Lago member

Putin makes nuclear-powered Burevestnik missile test claim

North Korea amends constitution to bolster nuclear power status, calls US and allies 'worst threat'

Projected college football rankings after Oregon embarrasses Colorado, Alabama shines

Exclusive: Satellite images show increased activity at nuclear test sites in Russia, China and US

Red Flags: 5 college football teams on upset alert in Week 4

Maritime industry explores nuclear power for ships as technology opens up

UK, France and Germany to keep nuclear sanctions on Iran

Britain, France, Germany to retain ballistic, nuclear sanctions on Iran

Kim Jong Un reveals 'nuclear attack submarine'

North Korea says it has simulated a nuclear missile attack to warn US of 'nuclear war danger'