The critically endangered cotton-top tamarin had a baby at the Lake Superior Zoo, where the zoo is helping the population ...

MILWAUKEE (WDJT) — The Milwaukee County Zoo has welcomed a new addition! Twelve-year-old Japanese macaque, Usagi, gave birth to a newborn on June 8 and brought the little one onto Macaque Island a few ...

Despite decades of progress, pediatric HIV continues to pose devastating challenges in regions with limited access to care. Globally, more than 100,000 children are infected with HIV each ...

A video took over social media feeds this week, showing monkeys "raining down" on kayakers in Florida. Are they native to the state?