Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

In humans, personality similarity between partners can lead to better compatibility and well-being. Is the same true for ...

Quick Take By the 1880s and 1890s, fewer than 1,000 bison remained in the wild, a stark warning about unchecked exploitation.

The Supreme Court on Tuesday lamented that many lawyers argued on behalf of dog lovers in the case relating to stray dogs but ...

Across Montana’s eastern plains, few sights register as strongly as a bison herd navigating open grassland. Although the ...

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Ohio’s white-tailed deer might seem like an obvious state symbol, but that familiarity is exactly why it works. Few animals ...

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

Learn all about the unmistakable pilot whale, from their diet and size to life in the pod and why, sadly, they're prone to ...

Biologists are confronting a problem they thought they had mostly solved: what, exactly, counts as life. A wave of ...

Despite being mammals, these remarkably cancer-resistant animals share a lot in common with cold-blooded species.

New species are being discovered faster than ever before - at a rate of more than 16,000 every year, suggests a new study.