In this March 27, 2018 photo, a man watches a TV screen showing file footages of U.S. President Donald Trump, left, and North Korean leader Kim Jong Un, right, during a news program at the Seoul ...

The nuclear watchdog’s chief says there is a rapid increase in operations at North Korea’s Yongbyon reactor.

North Korea’s main nuclear complex was discharging hot wastewater in a further sign that the country has restarted a Soviet-era nuclear reactor there that it had used to obtain plutonium fuel for ...

Pyongyang making ‘very serious’ progress on producing weapons, with rapid rise in activity at main nuclear complex ...

North Korea's main nuclear reactor for making weapons-grade plutonium may be operating, just days before this week's summit between President Trump and North Korean leader Kim Jong Un. Satellite ...

As international attention has focused on developments in the Middle East, North Korea continues to expand its nuclear weapons program. The Wall Street Journal reported on Friday that North Korea is ...

WASHINGTON (CNN) -- The United States on Saturday removed North Korea from its list of states that sponsor terrorism, State Department spokesman Sean McCormack said.