Leading U. S. medical groups are urging people to get updated flu and COVID-19 vaccinations this fall, banding together Wednesday to issue shot guidelines — and highlight the science behind them — saying they hope to ease confusion caused by the Trump administration's changing advice. Flu vaccinations are beginning and COVID-19 shots are starting to arrive after the Food and Drug Administration approved this year’s updated versions last week. Winter also brings another risk called RSV or...

WASHINGTON (AP) — A bipartisan group of U. S. lawmakers is pressing the Army to explain why it told a unit based in Europe to stop specializing in drone warfare, an order that comes as the world's battlefields rapidly evolve and military tactics increasingly rely on uncrewed systems to fight. The 173rd Airborne Brigade was building its own drones and practicing the kind of warfare that Ukraine has pioneered against Russia and that Iran has fought against the U. S. — warfare that has killed...

In a strategic retreat in the fight against climate change, the United Nations has acknowledged that Earth has lost its chance to prevent some of the worst of global warming's harms. So now the world must figure out how to get temperatures below the danger zone and back to safety, officials say. Earth is soon going to exceed the safe temperature threshold agreed upon by the world in the 2015 Paris climate accord because of warming from the burning of coal, oil and gas, according to a bleak by...