For the Smithsonian National Zoo and Conservation Biology Institute (NZCBI), Christmas came early in 2025. Zookeepers were ...

Tribbles are trouble in the Star Trek universe because they're so hard to remove, much like these real-life animals that've ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

California’s diverse climate and sprawling urban areas have made the western state an unexpected hotspot for non-native ...

Scientists are looking into the cells of creatures like whales and mole rats to see if they have lessons for humans.

Iguanas are not just common in Florida, they are officially classified as an invasive species. They damage infrastructure, ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

In the spring of 2023, we returned to Península Valdés, a rugged coastal region in Argentine Patagonia, expecting to witness the familiar sights and ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

‘Le Petit Mort’ or ‘the little death’ is the euphamistic term for orgasm. But for some animals, sex and death are more ...