Biologist Roger Payne heard about the stranded porpoise one night in 1964, while listening to a local radio station as he worked in a lab at Tufts University. Wanting to see for himself, he drove to nearby Revere Beach, north of Boston, and found the animal’s body. The porpoise had been mutilated...

As a result of a successful lawsuit by several environmental and animal organizations, a federal judge today ordered federal fishery managers to issue a new rule for critically endangered North Atlantic right whales no later than May 31, 2021. The Center for Biological Diversity, Conservation Law...

You don’t forget the images: the olive ridley sea turtle, a plastic straw lodged in his nose. The Rubenesque sea lion, neck cinched tight by a thick plastic packing strap. The Cuvier’s beaked whale, stomach split open to reveal more than 80 pounds of plastic waste—snack bags, rope, rice sacks...

WASHINGTON—Conservation groups filed a rulemaking petition today seeking additional ship-speed limits along the Atlantic coast to protect critically endangered North Atlantic right whales. In June a baby right whale was found dead off the coast of New Jersey, with propeller wounds across his head...