South Korea says the two Koreas have restored a stalled communication channel after weeks of a hiatus in a small reconciliation step.
Pyongyang has said in recent weeks that its weapons tests are aimed at boosting its defense capabilities just as other countries do.
North Korea launched ballistic missiles off its east coast on Wednesday, prompting condemnation from Japanese Prime Minister Yoshihide Suga.
North Korea fired an unidentified projectile off its east coast, South Korea's military said, two days after the North claimed to have tested a new missile.
Victor Cha of the Center for Strategic and International Studies says the U.S. evacuation from Afghanistan does not affect the country's credibility and commitment to its Asian allies.
U.S. Secretary of State and South Korean Foreign Minister have discussed efforts to engage with North Korea, including the prospect of humanitarian aid.
North Korea wants international sanctions lifted in order to restart denuclearization talks with the U.S., South Korean lawmakers said.
Kim have also decided there’s nothing to be gained by nuclear diplomacy at the games, as the U.S. shows no intention of accepting demands to end sanctions.
North Korea has rebuffed U.S. entreaties for diplomacy since U.S. President Joe Biden took over from Donald Trump.
China has been North Korea's only major ally since the two signed the treaty in 1961.
CSIS's Victor Cha says diplomatic talks with North Korea could be opened with humanitarian assistance as the country has been "suffering economically" during the Covid pandemic.
The United States and other major powers urged the North to abandon its nuclear program and return to talks.
North Korea's leader Kim Jong Un has reportedly acknowledged that the food situation in the secretive country is troubling amid reports of shortages.
President Joe Biden repudiated his predecessor's approach to North Korea and said his goal was to achieve a "total denuclearization" of the Korean Peninsula.
U.S. President Joe Biden and South Korean President Moon Jae-in meet in Washington on Friday.
The reasons for the ongoing global chip shortage, which is set to last into 2022 and possibly 2023, are complex and multifaceted.
The statements come after the White House on Friday said U.S. officials had completed a months-long review of North Korean policy.
Stanford University's Gi-Wook Shin says it is still early to predict if South Korea's opposition party will regain power in 2022 despite its landmark win in the mayoral by-elections.
Washington should convene a U.N. Security Council meeting at the very least and talk about better enforcing existing sanctions, says Duyeon Kim, an adjunct senior fellow at Center for a New American Security.
The string of tests comes as Pyongyang ignores invitations from Washington to discuss denuclearization.