A senior Chinese official accused the United States on Wednesday of deflecting blame and breaking its word when it comes to fighting climate change, as the simmering diplomatic row between the world’s two biggest economies shifts to the environment. The U.S. State Department said last...

A first-of-its-kind study using satellite images to count fresh graves and analyse burial activity in Yemen has estimated the death toll there from COVID-19 or COVID-related causes is far higher than official government figures suggest. Using high-resolution satellite imagery, researchers...

Nearly 6,000 Afghan civilians were killed or wounded in the first nine months of the year as heavy fighting between government forces and Taliban insurgents rages on despite efforts to find peace, the United Nations said Tuesday. From January to September, there were 5,939 civilian...

Antibodies against the novel coronavirus declined rapidly in the British population during the summer, a study found on Tuesday, suggesting protection after infection may not be long lasting and raising the prospect of waning immunity in the community. Scientists at Imperial College London...