North Korea is learning valuable lessons from fighting against Ukraine, making it an increased threat to its neighbors, a US official said. In recent months, North Korea has sent around 12,000 troops to fight for Russia against Ukraine as part of a new security pact between its leader, Kim Jong Un, and Russian President Vladimir Putin.

A U.S. spy plane was spotted flying near the borders of China and North Korea this week on a suspected intelligence-collection mission, as shown on a new Newsweek map. Newsweek has contacted the U.S.

North Korea's state-run Korean Central News Agency claimed a successful test of a new type of intermediate-range hypersonic ballistic missile.

North Korea says it carried out its second missile test in two days — and this one was hypersonic. It came as U.S. Secretary of State Anthony Blinken visited the region.

Kim Jong Un described the missile test as a crucial achievement in his goals to bolster North Korea's nuclear deterrence. Lee Sung Joon, Spokesperson of South Korean Joint Chiefs of Staff, downplayed the test,

North Korea has claimed it fired a new intermediate-range ballistic missile tipped with a hypersonic warhead which "will reliably contain any rivals in the Pacific region". The launch on Monday - Pyongyang's first in two months - came as US Secretary of State Antony Blinken was in Seoul for talks with some of South Korea's key leaders.

Russia may be close to sharing advanced satellite technology with North Korea after the isolated nation supplied troops to help bolster Moscow’s war in Ukraine, United States Secretary of State Antony Blinken warned Monday.

North Korea launched its first missile test since Election Day on Monday, strongly implying that it does not plan to play nice with President-elect Trump.

South Korea says North Korea fired a ballistic missile that flew 685 miles before landing in waters between the Korean Peninsula and Japan

South Korea was experiencing the coldest day of the winter so far Thursday with temperatures ranging from 14 degrees Fahrenheit down to minus 4 degrees.

North Korean leader Kim Jong Un oversaw a successful test of a new intermediate-range hypersonic ballistic missile (IRBM) on Monday, state media KCNA said on Tuesday, pledging to accelerate the country's nuclear and missile capabilities.