Scientists say that 55 percent of differences in human lifespan are due to genetic makeup, much more than previously believed ...

Snakes have lost the gene that encodes ghrelin, a hormone that helps regulate hunger in many vertebrates, according to a new study.

A new study of German twins suggests that the strong connection between a young adult's cognitive ability and their future ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An X-linked gene called ...

A new study from the University of Cambridge found that Labradors and humans share a key gene linked to obesity. The DENND1B gene influences hunger signals in the brain, making those with the variant ...