Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States…

Poaching rates dropped by more than half in African reserves where veterinarians removed the animals’ horns, which are …

An internal Justice Department clash over safety and free speech rights centered on vandalism directed at Columbia Univ…

Move over, pandas. Two Arabian leopards are coming to the National Zoo.

In a coming book, Karine Jean-Pierre will describe a “betrayal” by her party when Joseph R. Biden Jr. ended his re-elec…

The exports show how Israel is pursuing new markets as its forces battle on multiple fronts.

Minnesota, Wisconsin, Iowa and parts of Nebraska and Michigan were under air quality alerts on Tuesday, with advisories…