These unusual facts about animal sexuality expose the oddities associated with animal reproduction and sexual habits in nature. Whether it’s an eccentric animal reproductive method or a strange ...

Animals possess circadian clocks, or 24 h oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...

Animals are more likely to mate in warmer environments, a study analyzing the impact of climate change on reproductive behavior has found. Looking at the impact of temperature changes on 22 species ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Same-sex sexual ...

If you liked this story, share it with other people. A new study tracing the evolution of same-sex sexual behavior in mammals, using phylogenetic analyses, suggests these behaviors may have evolved in ...

Sexual behavior in the animal kingdom is incredibly varied, and same-sex mating can be seen in many species. This article delves into 10 animal species known for engaging in same-sex mating and some ...

It's not only humans that do some sketchy, questionable stuff. Animals in the wild have their own peculiarities, too, and these weird animal behaviors usually don't go unnoticed. And by weird, we ...

The goal of animal behavior research is to observe animals as they respond to stimuli (whether naturally occurring or experimentally provided) and draw conclusions based on their actions. These ...

Animal behavior research relies on careful observation of animals. Researchers might spend months in a jungle habitat watching tropical birds mate and raise their young. They might track the rates of ...

Animals possess circadian clocks, or 24-hour oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...