How did eyespots on butterfly wings evolve? By recruiting gene networks already at work in the body to build antennae, legs, and even wings, research finds.

Invasive European green crabs are wreaking havoc in Washington state. New research suggests an additional way to stop their spread.

New findings about the cause of multiple sclerosis come from a study of 61 sets of identical twins, one with MS and one without.

Reseachers have solved the medical mystery of why a seemingly healthy 2-year-old succcumbed to a rare, undiagnosed lung disease.

Ancient human DNA from Sudan reveals new insights into the ancestry and social organization of people who lived more than 1,000 years ago.

The massive scale of the new study challenges previous notions of the origins of Celtic languages and culture in Britain, says coauthor Douglas J. Kennett.

"Adult Greenlanders with the genetic variation have lower BMI, weight, fat percentage, cholesterol levels and are generally significantly healthier."

The average inbreeding based on genetic analysis across 227 dog breeds was close to 25%, the equivalent of sharing the same genetic material with a sibling.

New research identifies the genes that cause broccoli to age after harvest. The work could lead to ways to keep broccoli fresh longer.

Plants that thrive in the harsh Atacama desert are a "genetic goldmine" for engineering crops for our dry future, say researchers.