U.S.-led drills represents a fresh challenge to Beijing.

Filing formalizes threat made by President Trump and U.S. Trade Representative amid trade talks with Beijing.

Chinese negotiators emboldened by perception U.S. was willing to compromise.

The passage of the legislation supporting Taiwan reflects U.S. Congress push for a sharper approach to relations with Beijing.

After two days of uncertainty, Beijing concluded that a full breakdown in talks may be difficult to repair and would exact economic costs.

Trump administration accuses China of backpedaling over trade; Vice Premier Liu He plans Washington trip for talks May 9-10.

Secretary of state calls for vigilance against aggressive claims for region’s resources.

U.S. trade representative says U.S. to raise tariffs to 25% on $200 billion in Chinese goods.

China says it is preparing to send a delegation to the U.S. for trade talks, following Trump's tariff hike tweets over the weekend.

Two navy warships sailed near islands claimed by China in South China Sea on Monday.