Lucy the pygmy pig’s owner, Lori Anne Gannone, got the call Monday morning that Hizzoner declared Lucy would get to live out ...

This important study uses long-term behavioural observations to understand the factors that influence female-on-female aggression in gorilla social groups. The evidence supporting the claims is ...

Advanced maternal age, or geriatric pregnancy, refers to people who become pregnant at age 35 or older. The majority of healthy people who get pregnant in their late 30s, and even into their early 40s ...