New map of brain's anatomy reveals communication hub that corresponds to an area active when the mind wanders.

Epigenetic shifts continue throughout a person’s lifetime, and the overall pattern of these shifts appears similar within families.

For the first time, scientists have resurrected a piece of DNA from an extinct animal — the Tasmanian tiger. The researchers engineered mice with a piece of the long-gone marsupial's DNA that turns on a collagen gene in cartilage-producing cells.

New genetic tests to distinguish viable from nonviable embryos may help eliminate risky multiple births from fertility procedures.

Human brains rewire when people lose a sense, but a new study of people who have regained vision shows that the rewired areas retain their old abilities.