Scientists just sequenced the first sea spider genome, uncovering genetic clues to limb growth, regeneration, and ancient ...

Pycnogonum litorale, adult male feeding on a sea anemone. C: Georg Brenneis The first high-quality pycnogonid genome provides ...

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Water and air pose completely different challenges to animals on a number of levels.

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like ...

This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved the foundation for rear legs even before the move to land, researchers say.

Snakes have adapted to climb trees, leap across hot sand, and even swim through water — all without arms or legs. What’s ...

Many of my friends are now getting surgeries on knees, shoulders, hips and even elbows. I wish I had an app on my iPhone ...

Llamas are cute, but what makes them even better human companions is their gentleness and empathy. People from their native ...