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.

New research by Smithsonian scientists suggests that preferences for certain sounds might be evolutionarily conserved ...

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 ...