The jury is still out on whether or not chimps are self-aware. Actually, the same goes for young children.
Scientists have found new evidence that bottlenose dolphins may address each other by name.
Mate selection is tricky business. Here's how one amphibian merges two senses to narrow down its options.
Leopards are famous for having a spotted coat. What's cool is that there is science involved with their coat markings and patterns.
Why did rainforests evolve so much more diversity than other parts of the globe?
I'm not saying dogs weren't intelligent creatures in their distant past, before they were domesticated, but now wolves are much smarter than dogs.
Very few people actually sit down and make up jokes, yet everyone is always telling jokes. Where do they come from? Learn more on this Moment of Science.
Females also mate with more than one partner. Apparently doing this enables females to find partners with better genes or who are better providers.