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 ...

The Lion King got one thing right: love is in the air on the savanna. From the birds perched in the trees to the foxes curled in their den, plenty of these grassland creatures are monogamous and mate ...

Think forever love is just a human thing? Not even close. While most wild animals play the numbers game when it comes to mating, a rare few pick one partner and stick by them till the end. These ...

When the total solar eclipse happens on Monday, animals at homes, farms and zoos may act strangely. Researchers can’t wait to see what happens when day quickly turns to night. By Juliet Macur and ...

In CUriosity, experts across the CU Boulder campus answer pressing questions about humans, our planet and the universe beyond. This week, Marc Bekoff, professor emeritus in the Department of Ecology ...