You can check out handwritten pages from Charles Darwin's draft of his famous On the Origin of Species online, including 2 newly added pages.

Prehistoric sharks rotated their jaws keeping larger, sharper teeth in an upright position, making it "easier for them to impale their prey."

Darwin's theory of evolution should be expanded to include consideration of a DNA stability "energy code"—so-called "molecular Darwinism"—say scientists.

Researchers have mapped 363 genomes from 92.4% of all bird families on Earth. Their findings include insight into how songbirds got their voices.

Insulin is in an evolutionary "cul-de-sac," report researchers. The findings could explains rising rates of type 2 diabetes around the world.

New research pins down when the first land plants appeared on Earth, confirming what earth scientists have suspected.

New research sheds light the bond between dogs and people. "We note a clear link between the movement of people and the introduction of a new type of dogs."

Researchers have discovered a new species of wasp with a role in an insect horror story playing out on the stems and leaves of oak trees.

New research suggests that the cognitive elements of language developed more than 40 million years ago in our primate ancestors.