The last nuclear explosion on the order of what North Korea demonstrated on Sunday was in 1996.

Even with early data, North Korea's July 28 missile launch answers questions about the capability of its ICBMS.

North Korea didn’t just acquire an ICBM out of nowhere.

North Korea tested its new intermediate-range ballistic missile, the Hwasong-12, three times in April 2017.

A new database offers insight into 33 years of North Korean missile testing.

The United States may be dispatching an advanced submarine along with a carrier strike group to the Korean peninsula.

North Korea's new missile and launcher show that Pyongyang is taking survivability seriously.

The missile in question may have been the Hwasong-10, or Musudan, intermediate-range ballistic missile.

For the first time ever, a North Korean ballistic missile landed in Japanese waters.

Reacting to the U.S.-South Korea decision to adopt THAAD, North Korea fires off another KN-11.

If at first you fail...

By the time Seoul and Washington finally act on Pyongyang, it could be too late.

After a failed ballistic missile launch, Kim Jong-un may be looking to test a fifth nuclear device.