Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...

Animals can be born with genetic or developmental issues that make it hard for them to live normal lives. They also can develop mental health problems in response to conditions around them. When you ...

Many animals that live in water need to come up to the surface to breathe, but they can still spend impressive lengths of time submerged thanks to a few clever tricks. When you purchase through links ...