The animals at the Dallas and Fort Worth zoos are more than cute — they’re built for survival in surprising ways. From ...

When related animals produce offspring, the young can be affected by physical abnormalities and health problems. We explain why.

Animals have adorable methods of expressing their love. While some enjoy tender cuddles, others go all out with dances.

Why male animals look more attractive is a question that has fascinated scientists, wildlife lovers, and curious readers for ...

In 1989, paleontologist Darren Tanke suggested that similar breaks were the result of mating as one dinosaur mounted the ...

During the summer months, the voles are largely solitary. However, throughout the long, harsh winters, they form small huddling groups of around four in the nesting chambers of their underground ...

Understanding the evolution of insect mating behavior is essential for explaining how early insects adapted to life on land.

You probably do not think of animals as bullies, but the behavior shows up more often than you might expect. Scientists have ...

Animals, though wordless, communicate complex messages through body language, sounds, scents, touch, and color changes. From ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways. For a long time, scientists ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways — for example, stealing seconds at a time during around-the-clock parenting, getting winks on the wing ...

Winter has officially arrived in the Northern Hemisphere. With today’s winter solstice, the days will start to get a little bit longer, but the cold will stick around. We humans typically handle the ...