For millions of years, life on Earth has carried on and evolved thanks to finding mates and reproducing. Over those millions of years, species evolved into new species with new behaviors and processes ...

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

Female praying mantids are known for eating their mates, but what is the evolutionary advantage to this practice? This series of images is taken from film shot for Evolution: "Why Sex?" It depicts two ...

As you probably know, the female praying mantis will sometimes bite her mate’s head off. It’s not something that the insects make a habit of, exactly – they probably only do it when a male is ...