South Korea successfully launched its second military reconnaissance satellite to better monitor North Korea, and plans to launch a total of five spy satellites by 2025.
Russia's use of North Korean missiles in Ukraine gives North Korea a rare chance to test its weapons in combat and learn lessons to improve their effectiveness.
South Korea plans to hold a trilateral summit with Japan and China in May to discuss economic cooperation, regional issues, including nuclear and missile threats from North Korea, and to resume trilateral dialogue after a break since 2019.
The United States agrees with South Korea to impose restrictions on the export of semiconductor technology and equipment to China, similar to those already imposed by the United States, as part of efforts to hinder the development of the Chinese semiconductor industry for national security reasons.
North Korea fires a ballistic missile into the sea during US Secretary of State Anthony Blinken's visit to South Korea, escalating regional tensions.
Due to the massive layoffs of junior doctors in protest against the increase in medical school enrollment, clinics in Seoul are operating intermittently, and the number of surgeries in major hospitals has dropped significantly.
Kim Jong-un threatened to destroy South Korea and called it the "main enemy" during a speech in honor of the founding of the North Korean army.
An American F-16 fighter jet crashed off the coast of South Korea on Wednesday, with the pilot safely ejecting.
North Korea has confirmed that it has successfully tested a Hwasal-2 strategic cruise missile off its west coast to improve its strategic attack skills and test its rapid response capabilities.
In Seoul, an SUV crashed into a security post in front of the Russian Embassy, seriously injuring a policeman on duty. The cause of the accident is under investigation.
The submarine USS Missouri arrived in South Korea to strengthen defense ties amid potential missile tests by North Korea.