California defies federal ban on transgender athletes in girls' and women's school sports, risking federal funding.
Crash-filled Tour de France stage won by Belgian cyclist Tim Merlier in a photo finish against Jonathan Milan, as Mathieu van der Poel retains the yellow jersey.
Smithsonian team uncovers North America's oldest pterosaur fossil, shedding light on a pivotal period in vertebrate evolution.
California defies federal ban on transgender athletes in girls' and women's school sports, risking federal funding.
Crash-filled Tour de France stage won by Belgian cyclist Tim Merlier in a photo finish against Jonathan Milan, as Mathieu van der Poel retains the yellow jersey.
Smithsonian team uncovers North America's oldest pterosaur fossil, shedding light on a pivotal period in vertebrate evolution.