Nature is full of surprises, but few are as fascinating as hybrid animals, creatures born from crossing two different species. Some hybrids occur naturally where habitats overlap, while others result ...

Animals mating with the same sex is a common trait, having evolved so repeatedly in mammals that it is now thought to be helpful for social bonding and reducing conflict. Over 1,500 species of animal ...

Some animals form lifelong pair bonds that run deeper than simple mating. These connections shape how they live, move, and interact with the world. When a partner is lost, the change is often visible.

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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 ...

Three albatross gather on the Falkland Islands, where Francesco Ventura conducts his research. Every other Friday, the Outside/In team answers a listener question about the natural world. In ...