Some of the once-natural breeds are more closely connected to their roots than others are. Modern Siberian cats, for example, ...

Kissing is a big part of human culture. According to ancient cuneiform tablets found in Iraq, humans have been smooching since at least 2500 B.C. Around the world today, many societies share kisses in ...

Axolotls are large salamanders that are endemic to Mexico. The species has declined in recent decades due to urbanization and pollution, but researchers are working on projects to build back ...