Biomass reveals the real impact and energy flow of life in an ecosystem, like knowing not just the cast of a play, but who ...

Whales travel through the ocean, lunging, leaping, and playing, with grace and swiftness that belie their huge size. The ...

A team of scientists from the SETI Institute and the University of California at Davis has documented, for the first time, humpback whales producing large bubble rings, like a human smoker blowing ...

Pakicetus' descendants continued to adapt, leading to the evolution of Ambulocetus, which lived between 50 and 48 million years ago. Ambulocetus was well-suited for life both on land and in the water.

Evolution saved us from the terrifying prospect. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday. Search for: ...

Pathogen pressure. Early cetaceans faced another challenge when they started swimming: billions of tiny germs. Compared with air, aquatic habitats are a funky stew of viruses, bacteria, and other ...

The earliest cetaceans are known from fossils found in Pakistan and India. The cetacean species Pakicetus lived about 50 million years ago and was a wolf-sized, four-legged land animal that lived ...

A colossal ancient whale discovered in Peru might be the heaviest animal on record, according to a new study. At an estimated body mass of 85 to 340 metric tons (187,393 to 749,572 pounds), the ...

Whale that lived 39 million years ago changes what we thought about evolution Katherine Fidler Published August 2, 2023 4:00pm Updated August 2, 2023 4:00pm ...

From a scientific perspective, probably the most important implication of the latest discovery concerns the evolution of cetaceans, the animal group that contains whales, dolphins and porpoises ...

Modern cetaceans – whales and dolphins – have one of the largest size ranges of any living animal group, ranging from as small as 1.5 metres long to as much as 30. However, a new study reveals this ...