North Korea threatened a "nuclear-to-nuclear showdown" after Vice President Mike Pence suggested Kim Jong Un could be overthrown.
China revealed that it feels endangered. Washington can acknowledge China's importance by seeking its help to get Kim Jong Un to the negotiating table.
India has equipped its INS Arihant nuclear submarine with K-15 Sagarika missiles capable of hitting targets 435 miles away.
North Korea said it would it would take apart its only known nuclear test site, and these images show its already started.
Nuclear weapons are not a force for good in the "right" hands. These are indiscriminate weapons of mass destruction, created to murder civilians.
A dismantling "ceremony" will be held and journalists from the U.S., South Korea and elsewhere will be invited, Pyongyang said.
Secretary of State Mike Pompeo offered North Korea's top diplomat "the opportunities your people so richly deserve."
Saudi Arabian Foreign Minister Adel al-Jubeir said, "We will do whatever it takes to protect our people," including building nuclear weapons.
Russia's submersible drone, known to Russia as Poseidon and to the U.S. as Kanyon, may change nuclear warfare as we know it.
Are Donald Trump and Kim Jong Un serious about denuclearization or will they play the same games as their predecessors?
When it comes to estimating military capability, the Western media is principally concerned with the weapons capabilities of weaker states.
Ahead of a possible meeting with Donald Trump, North Korean supreme leader Kim Jong Un said he no longer needs to test nuclear weapons and ballistic missiles.
The RS-28 Sarmat weighs around 220 tons and can carry a nuclear warhead large enough to destroy Texas.
National security adviser John Bolton's arrival at the White House increases the chances of a harder line on Iran.
Despite peace talks on the Korean Peninsula, Russia says the U.S. is risking a war with military exercises and "maximum pressure" against Kim Jong Un.
If Trump insists on meeting, he must be prepared either to agree to a long negotiating process that will play into Kim's hands, or to admit failure, and consider military force.
New satellite imagery shows a significant slowdown in activity at North Korea's Punggye-ri nuclear test site, just as Kim Jong Un reached out to Trump.
Experts say John Bolton's appointment as national security adviser could lead to the next major U.S. war 15 years after he supported the invasion of Iraq.