US Fish and Wildlife Service

Endangered Mexican gray wolves are making more strides, as more breeding pairs and pups have been documented since reintroduction efforts began in the southwestern U.S. more than two decades ago, federal wildlife managers said Tuesday.

A polar bear chased several residents around a tiny, isolated Alaska Native whaling village, killing a mother and her 1-year-old son.

SpaceX cleared a key hurdle Monday for its plan to launch a gigantic, futuristic rocketship into orbit.

The Biden administration on Monday reversed a policy imposed under former President Donald Trump