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 ...

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 ...

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 ...

Some animals mate for life. Others? Not so much [HOLA] Humans aren't the only ones who break hearts; in the wild, infidelity is practically a survival strategy. When we talk about love and loyalty in ...