One woman's resistance to genetic, early-onset Alzheimer's disease may hold the key to future therapies for the neurodegenerative disease.

Researchers thought drinking might result in reduced brain size, but new research turns that idea on its head.

For DNA repair, proteins build a relatively huge scaffold around the fracture.The proportions are roughly that of "a basketball and a pin head."

Your search for long-lost cousins could open you up to "genetic hacking." And unlike credit card information, you can't just cancel your old genome and get a new one.

A single genetic mutation both turns male fruit flies yellow and keeps them from mating effectively. How is that possible? Sex combs.

Bats and whales that use echolocation both owe it to specific changes in a set of 18 genes involved in the development of the cochlear ganglion, research finds.

New research links a genetic anomaly and some forms of SIDS, or sudden infant death syndrome, which claims the lives of more than 3,000 infants a year.

It may seem obvious that genes can shape the behaviors of different dog breeds, but evidence hasn't always backed that up.

"We have known for a long time that we humans have a unique fertility curve." New research offers an explanation.

In a new study with mice, scientists have pinpointed the cause of Krabbe disease, a neurodegenerative condition that can be deadly for young kids.