Sea dragons are missing a key group of genes found in other vertebrates, researchers report. The finding may be a clue to why they look the way they do.

A group of tiny frogs are so small they lose control when jumping, ungracefully pirouetting through the air before coming in for a crash-landing.

New research with yeast suggests synonymous mutations, or "silent" mutations, aren't neutral, but harmful.

Rather than simple splitting events, the evolution of polar bears and brown bears are like those of humans, a tangled story of divergence and interbreeding.

Guppies and mosquitofish can turn to cannibalism in your fish tank, but it's rare to find them eating their other members of their own species in the wild.

New research documents boom and bust cycles in both popular baby names and dog breeds. It's a handy way to study evolution, says the researcher.

A new study that clarifies how electric fish evolved electric organs could help pinpoint genetic mutations behind some human diseases.

Two genes are indispensable for allowing plants to defend themselves against fungal attack on land, research shows.

Some plants aren't good at handling stress. But "extreme" plants not only survive in stressful conditions, they thrive in them.

Brains and brawn has been behind crows' and ravens' ability to live in a variety of habitats all over the globe, researchers explain.