South Korean officials say a Panama-flagged vessel was transferring oil to a North Korean vessel in sea waters violating UN regulations.
Kim Jong-un took the oft-repeated stance against the US as he reviewed North Korea's major nuclear weapons and missile tests this year.
Donald Trump has issued a new warning to North Korea following allegations that the Chinese have been smuggling oil into the hermit nation.
South Korean authorities say the Hong Kong vessel supplied 600 tonnes of refined petroleum to a North Korean ship in the East China Sea waters.
A North Korean nuclear scientist who defected to China in November committed suicide after he was sent back
US reconnaissance satellites spotted Chinese ships transporting oil to North Korean vessels around 30 times since October.
SpaceX's final mission for the year, the Falcon 9 launch, was not just successful, but also caused quite a stir in California.
The US treasury department places travel restrictions on two key North Korean technocrats.
A North Korean soldier who defected is said to have anthrax antibodies in his system, raising fears in Seoul over its weapons capabilities.
Pyongyang reportedly defended its interests in space development as a "legitimate" right, sparking fears about an impending missile test disguised as a satellite launch.
China called for restraint Monday, with Foreign Ministry spokeswoman Hua Chunying saying that nations should "make positive and constructive efforts to de-escalate tensions" on the Korean Peninsula.
The pope took particular aim at areas of global tension where President Donald Trump is playing a critical role.
The South Korean military is reportedly considering redesigning the decks on the new warship to ensure F-35B fighters can be operated.
The United Nations Security Council voted unanimously to impose tougher sanctions on the Kim Jong-un-led nation in response to its latest intercontinental ballistic missile test.
Kim Jong-un's North Korea is a threat but war with America can still be averted with robust diplomacy backed by military strength, Jim Mattis told US troops.
It has been an action-packed year for North Korea and its adversaries, with Kim Jong-un and Donald Trump locking horns.
North Korea had said after a recent missile test that fresh united Nations (UN) sanctions would only make the state accelerate its nuclear programme.
North Korea has slammed US President Donald Trump's new national security strategy as a "criminal document," renewing the war of words between the two nations.
Despite birthdays of dictator's father and grandfather being celebrated as public holidays, Kim Jong-un's special day not even shown on calendars.
North Korea said Thursday (20 December) that a US accusation that it was behind a major ransomware attack was a "grave political provocation" and vowed to retaliate.
South's Joint Chiefs of Staff said the defecting soldier appeared in front of a guard post on the mid-western front at around 8.04am local time.
The US is planning to launch a military attack on North Korea to curb its nuclear programme. Sources say that weapons stockpiles will be targeted.