Japan's government says it will watch the World Health Organization’s probe into staff complaints over racism and abuse by a top Japanese official but denied it inappropriately received sensitive vaccine information from him

North Korea says its two latest rounds of weapons tests this week were successful and vows to speed up the development of more powerful warheads

Top diplomats of the United States and the world’s other biggest climate-polluting nations have convened to address global warming for the first time since November's U.N. climate summit

Mitsubishi Heavy Industries and the Japan Atomic Energy Agency have signed an agreement to participate in a next-generation nuclear energy project with TerraPower, a company started by Bill Gates

For journalists covering the Beijing Winter Olympics, China's strict pandemic measures are creating a surreal and somewhat frustrating experience

China is demanding the U.S. end what it calls interference in the Beijing Winter Olympics, which begin next week

South Korea’s military says North Korea has fired at least one unidentified projectile into the sea in its sixth weapons launch this month

The Russian Foreign Ministry says the U.S. has delivered a written response to Moscow’s security demands on Ukraine and NATO

Russia has warned it would quickly take “retaliatory measures” if the U.S. and its allies reject its security demands over NATO and Ukraine

Russian authorities have added imprisoned opposition leader Alexei Navalny and some of his top allies to the registry of terrorists and extremists, the latest move in a multi-pronged crackdown on opposition supporters, independent media and human rights activists