China has reaffirmed its opposition to unilateral sanctions by the United States against Iran as the two countries announced the launch of a 25-year cooperation agreement.

China's northern port city of Tianjin reported an increase in COVID-19 infections on Thursday.

China orders the cancellation of more than two dozen flights from the United States amid the surge of the highly contagious Omicron variant of the coronavirus across the US.

The US plans to sign a new military collaboration pact with Japan in a purported bid to counter emerging threats such as hypersonics and space-based capabilities, Secretary of State Antony Blinken says.

Taiwan's air force has conducted a drill simulating a war situation to show the self-ruled island's combat readiness amid heightened tensions with Beijing.

A senior Chinese official has firmly rejected claims made by the United States that Beijing is rapidly expanding its nuclear arsenal but said China will continue to "modernize" its nuclear forces.

China has called on the United States and Russia to reduce their nuclear stockpiles while reaffirming commitment to continue to "modernise" its own nuclear arsenal.

Dozens of countries across four continents log record number of infections from the Omicron variant of the coronavirus this week, underlining challenges facing both rich and poor nations.

China has officially reopened its embassy in Nicaragua a few weeks after the two countries resumed their diplomatic relations.

Chinese scientists have set a new world record by achieving a 1,056 second-long operation of a "man-made sun".