Males engage in a two-week-long sex marathon with as many females as they can find. Each frenzied encounter can last up to 14 hours. As soon as he’s done with one female, he moves on to another, ...

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.

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 ...

Some animals reproduce only once before dying. This life strategy, called semelparity, sees organisms channel all energy into ...

In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...