Sperm whales are named after the waxy substance found in their large heads called spermaceti. The spermaceti is an oil sac ...

Quick Take Connecticut chose the sperm whale in 1975 to honor its pivotal 19th-century whaling industry and maritime heritage ...

Sperm whales swimming off the coast of Dominica. The marine mammals have a complex communication system that scientists are working to decode. Amanda Cotton Get the Popular Science daily newsletter💡 ...

A Smithsonian team of scientists re-examined a fossil sperm whale for the first time in 90 years and created an entirely new group in the sperm whale family, Albicetus, and introduced the species, ...