Learn more about the gene families that play an important role in the aging and longevity of mammals, including humans.

Everyone from grade school students to proud pet owners quotes the statistic that one dog year equals seven human years. It's ...

Stacker pulled data from the American Kennel Club to compare dog popularity rankings from 2004 and 2024; the 2024 popularity ...

Nature took 50 million years to create the differences between cats and dogs, but humans needed just a few centuries to ...

Really, experts say it’s more accurate to compare the first year of a dog’s life to 15 years of a human’s, the second year to nine human years, and every year after that to five human years.