Mass beachings have become a tragically common sight at this New Zealand coastline.
Leaked cables show the U.S. and Japan discussing whaling deals and the status of Sea Shepherd.
Entire generations of crabs, worms and other deep-sea animals can survive for years on a single whale carcass.
Sperm whales showed good sense after the Deepwater Horizon oil spill, acoustic surveys show. They left.
These giants of the sea carry disturbing levels of man-made pollutants in their bodies -- even near the supposedly pristine Galapagos Islands.
Measuring how fast the Greenland ice sheet is losing mass is logistically and financially challenging.
Whales are continuously exposed to the sun and are now suffering from sunburns and skin cancer as ultraviolet radiation increases.
Crude oil is edible for bacteria, but it's not exactly something you'd want to see on the dinner menu.
The Australian teenager says that he did not realize he was putting himself in danger.
Narwhals, known as unicorns of the sea, are helping scientists track warming sea water temperatures in the Arctic.