Add Yahoo as a preferred source to see more of our stories on Google. Humans are not the only animals that kiss. Apes, prairie dogs, birds, wolves, and dogs use similar behavior for bonding. (CREDIT: ...

Male gentoo penguins present tiny pebbles to the females to show affection. With Valentine’s Day upon us, it’s the perfect time to check in on how the animal kingdom is gearing up for the most ...

What do burying undies, stealing from babies and vicious friends all have in common? It's all part of research celebrated today with an opera about mushrooms and paper planes thrown at winning ...