This video captures a red squirrel exploring a moss-covered tree branch near a forest stream. The scene reflects the quiet, ...

Urban squirrels aren't surviving by chance-they're outperforming most animals in cities through rapid learning, risk ...

Many animals do something that still surprises researchers: females often mate with more than one male. This ...

Animals that researchers call “supersucklers” come back for their mother’s milk even after they can hunt, mate and fend for ...

Therapists and society need to expand their definitions of sex, stop treating penetration as the goal, and affirm ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

The authors even anticipated the connection to sexual dimorphism, noting that these species have more dominance-related ...