Flying back and forth over Cape Cod Bay, a survey plane spotted a half dozen of the world’s rarest creatures: North Atlantic right whales. Such sightings are good news. The species hovers near extinction—by one estimate, fewer than 360 remain. Each time researchers locate a whale, they take pictures...

In mid-October, when dolphin-costumed protesters and other demonstrators marched through pouring rain to the Japanese embassy in Washington, D.C., the men in suits out front gave only the slightest sign they noticed. “We’re going to show them that we’re not going away,” said Naomi Rose, senior...

They inhabit the ruins of a 14th-century empire in Africa, cling to 800-year-ol cliffside dwellings in Arizona, forage in old Indian temples and European churches and occupy the decidedly less grand crawl spaces of our modern homes. As the world’s only true flying mammals, bats know how to get...

WASHINGTON—Today, in a win for wildlife protection and conservation, a federal district court restored comprehensive Endangered Species Act regulatory protections to hundreds of species and the places they call home. The Services filed a voluntary remand motion in December 2021 in response to a...