An extinct reptile's oddly shaped chompers and bones suggest some creatures and plants bounced back quickly after a mass extinction.

The specialized brain area that helps songbirds learn songs also exists in woodpeckers, suggesting their communicative rat-a-tat-tat evolved the same way.

The specialized brain area that helps songbirds learn songs also exists in woodpeckers, suggesting their communicative rat-a-tat-tat evolved the same way.

In mythologies from around the world, various cultures and religions point to clay as the primordial material of life. Is that more accurate than we think?

Some female hummingbirds have evolved to look like males. A new study shows it's a way to keep passionate males at bay and spend more time at feeders.

Findings with stickleback fish counter a key assertion by anti-evolutionists and offer support for the concept of progressive evolution.

Slime-coating slugs and the saliva in our mouths are two types of bodily fluids that contain mucus. A new study explores how this marvel of biology evolved.

"The genes identified are ancient and conserved among marine animals and will be key in understanding how new lineages emerge..."

Researchers looking at what makes the human brain different from all other animals say that uniquely human features may make us susceptible to disease.

Researchers have assembled the most complete story yet of the ancestry of manatees, including a 24,000-pound version that once swam in the Bering Sea.