In small communities in the Dominican Republic some females spontaneously develop male genitalia.
Scientists said genetically-modified children could be "morally acceptable" in the future.
A species of cave-dwelling fish shows how evolutionary changes may contribute to binge-eating behavior.
Gordon Gray is raising funds to help fight a highly uncommon and fatal neurodegenerative condition.
According to DNA research, the split between dogs and wolves occurred longer ago than we realized.
Several mutations in the most aggressive form of the disease may respond to drugs used for other cancer types.
Study finds brothers and fathers of sex offenders five times more likely to offend.
Microbes pass on their genes, mimicking a genetic disease.
With no clues to a 13-year-old Italian girl's murder, instigators used DNA to unravel a tangle of secrets and lies
Researchers found that in flies, a previous mate's sperm could affect the size of a female's offspring