Health experts meeting in San Francisco have expressed confidence that a fresh (A)H1N1 outbreak can be contained, as the northern hemisphere braces for its winter flu season.
US scientists are to investigate what led 22 whales to beach themselves in Florida -- killing 17 of them -- one of three such incidents in North America over the weekend.
The United States said Wednesday it will extend tariff exemptions on 352 Chinese products once hit by punitive duties as a trade war flared with Beijing -- alongside some Covid-related exclusions -- until the end of the year.
One of the top US experts on North Korea says President Donald Trump should agree to separating talks for a formal peace on the Korean peninsula from the issue of Pyongyang's denuclearization.
A group of US experts led by a former top environment official has visited Cuba to gather information on the communist country's Gulf of Mexico oil exploration plans, according to state media.
US Defense Secretary Robert Gates on Thursday said he expected no major changes to war strategy in Afghanistan when the government carries out a review in December.
The US State Department announced tighter limits on the movements of Chinese diplomats in the country Wednesday, saying it was in retaliation to Beijing's controls on American officials based in China.
Washington said Sunday it had carried out air strikes against jihadists in Iraq's Sunni Arab heartland, expanding its month-long air campaign and its involvement in the conflict.
A former official who worked as an aide to the governor of New York state was arrested and charged with working as an agent of China in return for millions of dollars, prosecutors said on Tuesday.
China on Thursday railed against a high-level visit to Taiwan by a US envoy, saying it will encourage "separatist forces" on the island.
Washington's new envoy to the United Nations vowed Monday to "defend every inch of NATO territory" as he addressed an emergency meeting over an incursion by Russian fighter jets into Estonia's air space.
The US envoy who negotiated with the Taliban will testify behind closed doors to Congress on Thursday, 12 days after President Donald Trump abruptly ended talks with the Afghan militants.
The top US climate negotiator warned Tuesday against expectations of any binding deals on cutting greenhouse gas emissions at the next UN conference on the issue in Mexico later this year.
US negotiator Christopher Hill arrived Tuesday in Seoul en route to Pyongyang but was cautious about the prospects of saving a North Korean nuclear disarmament deal that appears close to collapse.
US climate envoy John Kerry said Tuesday that he hoped Washington and Beijing "could come together" in the fight against global warming, at a landmark summit in Kenya aimed at promoting Africa's potential as a green powerhouse.
A US envoy plans to spend the coming week in Asia determining if the time is right to talk with North Korea, as tensions ease a notch but a party meeting in the secretive state raises new questions.
