In South Korea, polls show 60 percent of the population favors building nuclear weapons, the New York Times reported.
A North Korea official said the country's capabilities should not be underestimated.
"A reasonable assessment is that North Korea has the capability to cultivate and produce biological weapons."
Pyongyang conducted its sixth nuclear test Sunday, and according to experts, it was ten times more powerful than earlier tests conducted over the years.
Within four minutes, the president can launch nuclear weapons from a “Denny’s menu of nuclear war” and there are no checks on that authority.
The small U.S. territory has been in the crosshairs of the conflict between the U.S. and North Korea.
The United States Air Force plans to buy a pair of Boeing 747s abandoned by a bankrupt Russian airline, which are to be customized into Air Force One planes.
A new analysis of thermal imagery says the country may be using the plutonium to increase its stash of nuclear weapons.
North Korea has asked the U.S. to cease its joint military drills with South Korea. While the U.S. maintains that the drills are a part of their routine defensive preparations, North Korea has branded them as a precursor for invading their country.
U.S. efforts to urge China to rein in North Korea's nuclear activities seem to have failed even as the relationship between the U.S. and Korea is rapidly souring.
President Donald Trump is expected to discuss North Korea with Chinese President Xi Jinping next week.
The U.S. antagonist has had a long history of threatening the West with nuclear weapons.
The training Wednesday came hours after North Korea's latest missile test failed, according to military officials and media reports.
IAEA Director General Yukiya Amano says North Korea has doubled the size of its nuclear operation.
The U.S. and South Korea began their annual drills earlier this month as tensions with the North increased.
The two superpowers each announced increases in military spending, but many believe a race isn't underway.
The U.S. is still relying on cyberattacks to hamper North Korea’s plans for intercontinental ballistic missiles.
The U.S. had previously resisted sending the armored vehicles four years ago but started deploying them in December.
The president said he wanted to build the largest nuclear weapons stockpile in the world, surpassing the eight other countries believed to possess such weapons of mass destruction.
The nation's defense minister said nuclear weapons are a priority still, but that more conventional weapons have become a major focus.
President Donald Trump's security briefing on the North Korea missile launch was documented by a member of Mar-a-Lago who witnessed the event. The member also took pictures with a man he claims was carrying the nuclear football.
Russian Defense Minister Sergei Shoigu also said the country would maintain its existing level of military but it did not want to be dragged into a new arms race.