Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists ...

The magnetic compass is the last unknown sense in migrating animals. For some scientists, the monarch butterfly is leading ...

Scientists are building experimental computers from living human brain cells and testing how they learn and adapt.

Simply put, thermal weapon sights represent the greatest technological advantage a hunter or home protector can have since ...

Kangaroos can hop faster without using more energy. A new study explains how posture and tendons make this possible.

Cats love to share our spaces, and that keyboard attached to your laptop or PC is no exception thanks to one key way that ...

Content warning: This article reports on violence against endangered animals. Critically endangered animals are being advertised for sale as bushmeat on TikTok, a new study finds. The work, published ...

Testing products on animals became an industry standard in the cosmetic, chemical, and pharmaceutical industries nearly a century ago. Since that time, it has become clear that these tests cause ...

In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures in biology. The human penis is so uniform, it's an anatomical outlier.