Every year, millions of animals are used in laboratories, and for many people, the image is immediate and uncomfortable: ...

Paul Ehrlich's death last month is a reminder of how careless extrapolations from one field of knowledge to another can still ...

(Photography by Jessie Reeder/Moment/Getty Images) A surprising number of creatures across a wide swath of sizes, species, ...

When an axolotl loses a leg, it grows back. Bone, muscle, nerves, skin, even the individual digits return in roughly the ...

The surprising escapes from near-death situations of beetles and other small animals illustrate how both prey and predators ...