Explore the remarkable similarities and differences between sperm whales and giant squid, from size and behavior to diet and ...

Experts worry cheetahs may one day be on the brink of extinction and need artificial reproduction to save them.View on ...

In the canopies of a South American rainforest, a tiny soldier termite has stunned a team of international scientists with ...

In the animal kingdom, pregnancy rarely follows the rules, with many species being pregnant for a year or more.

American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia for 35 years, ...

Ultrastructure expansion microscopy of murine male germ cells reveals the fine molecular structures of centrioles (shown in ...

The sample included coastal animals such as bottlenose dolphins and offshore or deep-diving species such as beaked whales and sperm whales. For eight of these species—including Hector’s dolphin, which ...

New research reveals the significant risk New Zealand’s toothed whales and dolphins (odontocetes) face from human-made per- ...

Whale watchers in Madeira captured the astonishing moment orcas took down the deep-diving marine mammal. The predatory ...

Whales and dolphins are the ocean’s canaries. New research shows that 'forever chemicals' contaminate a far wider range of ...

New research published in Science of the Total Environment has raised alarm bells over the long-term health of marine species ...