Marine biologists in Mexico captured video of a strange maneuver that killer whales used to shred their meal.

Fewer than 100 Rice’s whales remain on Earth. Researchers say sonic blasts from oil exploration are a top threat to the species. See and hear why.

Innovative systems to keep ships from hitting North Atlantic right whales are coming into use. The Trump administration is weighing whether they can replace a bedrock protection.

Innovative systems to keep ships from hitting North Atlantic right whales are coming into use. The Trump administration is weighing whether they can replace a bedrock protection.

© Sophie Park for The New York Times