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 ...

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

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 ...

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