North Korean nuclear weapon program

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US: Magnitude 3.5 Quake Detected in N. Korea

Small quake raises nuke test fears

(Newser) - A small earthquake shook North Korea early Saturday, according to South Korean officials, raising fears that the country had carried out another nuclear test amid its escalating dispute with the US. The quake happened near where North Korea has carried out other nuclear tests, which have registered as small earthquakes,... More »

North Korea Threatens to Sink Japan

Pyongyang wants US reduced to 'ashes and darkness'

(Newser) - North Korea has made more of the kind of blood-curdling threats that the world found easier to shrug off before Pyongyang stepped up its nuclear program. The "Korea Asia-Pacific Peace Committee," North Korea's state agency for dealing with the outside world, issued a statement Thursday calling for... More »

We May Have Underestimated N. Korea's Latest Nuke Test

It might have had force of 17 atomic bombs, per 38 North assessment

(Newser) - In the immediate aftermath of North Korea's sixth nuclear test on Sept. 3, experts described the blast as six or seven times as powerful as the one that destroyed Hiroshima. That measure might not even come close. According to research site 38 North , the resulting 6.1 magnitude earthquake... More »

Landslides Suggest N. Korea's Latest Test Was a Monster

First satellite images back up claims it was the North's biggest test yet

(Newser) - Two developments on the North Korean front: sobering confirmation of how just how powerful the last test was, and more words of caution from Vladimir Putin. In an analysis for 38 North , three scientists say commercial satellite images taken a day after the test show several landslides around the Punggye-ri... More »

Look to Ukraine for N. Korea's Missile Engines: Expert

Expert analysis points to Dnipro factory as producing engines scooped up by Pyongyang

(Newser) - Many are worried over North Korea's ICBM launch last month, which analysts say indicate its weapons can now reach the US. And what may be behind this apparent success: liquid-propellant rocket engines from a Ukrainian factory linked to Russia's missile program that were then scooped up on the... More »

Trump Warns North Korea of 'Fire and Fury'

He speaks after report of big advance by North on nuclear capability

(Newser) - The Washington Post is out with a chilling report about North Korea's nuclear capabilities: It says Pyongyang has figured out how to make a nuclear warhead small enough to be carried by a missile. The news comes from a newly completed assessment by US intelligence officials, and it suggests... More »

If N. Korea Missile Test Details True, US Territory Is Within Reach

Experts fear they're getting closer to ICBM

(Newser) - North Korea has been bragging about its latest missile launch —and experts say the boasts are more than just empty bluster. The Hwasong-12 missile fired Sunday traveled nearly 500 miles before landing in the Sea of Japan near Russia, according to Pyongyang's KCNA state news agency. Analysts say... More »

North Korea: China Can't Stop Our Nukes

Pointed editorial says country would give up its ally

(Newser) - Don't expect pressure from China to have an effect on North Korea's nuclear weapons program. That was the message in an editorial published by the North's state news media Wednesday, described by an expert as the harshest critique of China to come out of the country in... More »

McMaster: N. Korea Is a 'Grave Threat'

Pyongyang's latest missile test in 'open defiance of the international community'

(Newser) - White House National Security Adviser HR McMaster says North Korea's most recent missile test represents "open defiance of the international community." He says North Korea poses "a grave threat" not just to the United States and its Asian allies, but also to China. Speaking on Fox ... More »

Images of North Korea Nuclear Test Site Show ... Volleyball

Satellite images showing games underway perplex analysts

(Newser) - What are North Korean workers doing when not preparing for a nuclear test? Letting loose on the volleyball court, apparently. "Unusual" satellite images of the Punggye-ri nuclear test site, snapped on Sunday and described in a 38 North report , reveal not the expected preparations for the country's sixth... More »

UN: North Korea Tried to Sell Nuclear Weapon Material

State-owned corporation offered lithium-6 online

(Newser) - Another alarming North Korea development: The country tried to sell a key material for fueling nuclear weapons to unidentified international buyers last year, according to a United Nations report. UN investigators say the material a state-owned company tried to sell online was lithium-6, which experts say can be used to... More »

Kim's New Year's Day Speech: 'Regrets,' 'Guilty Conscience'

As well as an announcement that N. Korea is in 'final stages' for ICBM test launch

(Newser) - Kim Jong Un was up bright and early New Year's Day to make his first announcement of 2017: that North Korea is in the "final stages" of development of a long-range intercontinental ballistic missile and a test launch is imminent, ABC Australia reports. In his address on state... More »

North Korea Will Soon Have the Makings for 20 Nukes

It's producing 330 pounds of enriched uranium per year: report

(Newser) - If it doesn't already , North Korea will have the makings for 20 nuclear bombs by the end of the year, experts predict in a new report. The country is believed to be producing 330 pounds of highly enriched uranium per year at one or two sites—enough for six... More »

North Korea Is Back Producing Plutonium

Yongbyon reactor could yield 13 pounds per year

(Newser) - North Korea is showing no signs of abandoning its quest for nuclear weapons. A State Department official tells Reuters the country has restarted a 5-megawatt nuclear reactor at its main nuclear complex at Yongbyon to get plutonium. The International Atomic Energy Agency said Monday there were "indications" that was... More »

Kim Jong Un: We Have Miniature Nuclear Warheads

Leader calls on military to be ready to strike against US, South Korea

(Newser) - Kim Jong Un says North Korea has miniaturized nuclear warheads to mount on ballistic missiles and wants the military ready to mount preemptive attacks against the US and South Korea in response to joint military drills started this week. "The nuclear warheads have been standardized to be fit for... More »

What About a N. Korea Nuke Deal? Pyongyang Reacts

'We do not have any interest at all,' says rep

(Newser) - US officials wondering whether the landmark nuclear deal with Iran would make North Korea reconsider its own nuclear program have their answer: Absolutely not. Though North Korea, like its ally Iran, is sanctioned by the US, EU, and UN, a foreign ministry rep for Pyongyang says its development of nuclear... More »

Kerry Has Harsh Words for N. Korea: Horrific, Grisly ...

... and 'reckless, grotesque, horrendous'

(Newser) - US Secretary of State John Kerry today accused North Korea of a litany of crimes and atrocities while reassuring South Korea of America's "ironclad" security commitments. Kerry blamed North Korea for breaking promises, making threats, and showing "flagrant disregard for international law" by continuing to build its... More »

N. Korea Can Make Nuke Parts at Home: Experts

No more need for imports that can be monitored: report

(Newser) - International authorities have for years used export and trade sanctions to keep North Korea from building a nuclear weapon; just today, Chinese officials posted 236 pages of materials barred from export to the North. But such methods might be pointless: Pyongyang appears capable of making important centrifuge parts on its... More »

White Steam Spotted at N. Korea Reactor

Satellite image suggests Pyongyang is probably restarting reactor

(Newser) - A fresh satellite image shows white steam coming from a building in North Korea, and a US research group says that likely means the country is nearly ready to restart a reactor capable of producing plutonium—or may have already started it. "The white coloration and volume are consistent... More »

North Korea to Japan: You're First

Pyongyang warns it could nuke Tokyo over the 'slightest move'

(Newser) - After threatening the United States and South Korea with nuclear strikes, North Korea nearly forgot its other favorite target—Japan. That oversight has been corrected now, though, as the Korean Central News Agency today warned that Tokyo will be its first target if Japan keeps up its "hostile posture"... More »

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