The biggest animals to have ever lived on Earth gobble up much more food than scientists thought, according to a new study of filter-feeding whales that reveals just how important their eating habits ...

The role big whales play in maintaining a balanced ecosystem is even more significant than researchers had previously thought. Their huge consumption of food is a key factor in that role, and ...

New study also finds that recovery of whale populations could increase nutrient circulation and help boost ocean functions Tess Joosse A blue whale can grow to weigh 150 tons, nearly as heavy as 14 ...

For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them —- a perplexing behavior that has long intrigued ...

Deep-diving toothed whales wash up dead with stomachs full of plastic and prey alike. Their built-in sonar likely can’t tell the difference. Two adult sperm whales swim side by side in Dominica. The ...

A killer whale in the Salish Sea is observed harassing a porpoise, a behavior that has long perplexed scientists. A study from Wild Orca and UC Davis’ SeaDoc Society investigates what may be behind it ...

A killer whale in the Salish Sea is observed harassing a porpoise, a behavior that has long perplexed scientists. A study from Wild Orca and UC Davis' SeaDoc Society investigate what may be behind it.

Blue whales could be accidentally eating 10 million pieces of microplastic every day, according to new research suggesting filter-feeding whales could be the most vulnerable marine species to plastic ...

It’s long been an incredible irony of the animal world. The biggest animals that have ever lived on Earth—whales the size of Boeing 737s—sustain themselves by feeding on small fry: tiny animals like ...

Why is marine life eating plastic? Scientists say their sonar is being fooled. How do dolphins and other toothed whales mistake plastic for food? At the Duke Marine Lab in Beaufort, North Carolina, ...