In 28 days it began. In 28 weeks it spread. In 28 years it evolved.

Inspired by a true story of survival.

Biomes are large natural areas that have their own characteristics. Scientists classify them by their climate, animal life, vegetation, and landscape. Learn more about biomes. Science Trek is ...

Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has previously appeared on MTV, The Frisky, Vice, and Best Friends Magazine. Curiosity Stream/YouTube ...