For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

From mantises that both eat and mate with their suitors at once to baboon couples that can’t turn off the PDA, these animal mating rituals are both crucial and wildly entertaining. 0:00 - Intro to 13 ...

All animals need sleep. When humans or animals don't get enough, it can lead to trouble paying attention, irritability, and other ill effects. And yet, researchers reporting in the journal Current ...

When it comes to animals romancing in the wild, things get weird—really weird. Some animals offer bizarre gifts, some put on daring dances, and others? Well, let’s just say things get really messy.

Think forever love is just a human thing? Not even close. While most wild animals take the quantity-over-quality approach when it comes to mating, a rare and fascinating few choose one partner and ...