Walking on two legs is a rare and fascinating ability in the animal kingdom, observed across birds, mammals, and even small rodents. From waddling penguins to hopping kangaroos, these creatures have ...

Animals often get labeled as either predators or prey. But in the wild, survival isn’t always a one-animal job. Some species form partnerships that help them find food, avoid danger, or raise young.

Most animals cannot survive very long without food. Humans typically begin suffering serious physical consequences within ...

The GOAT robot can passively roll downhill configured as a sphere to save time and energy. Nature offers countless examples of animals responding to their surroundings with agility and resilience, ...

Add Yahoo as a preferred source to see more of our stories on Google. Q. When we studied high school biology, our teacher said more than 99% of animals lay eggs and only a few give live birth. That ...

When a wild orangutan in Sumatra recently suffered a facial wound, apparently after fighting with another male, he did something that caught the attention of the scientists observing him. The animal ...

Most animal societies are run by males, but for some, it's the females that rule. These matriarchal groups are usually led by the oldest and wisest individuals. Female leadership has mostly evolved in ...

People love their pets. Around 60% of the U.S. population owns at least one pet and collectively spends more than $100 billion on them every year. But do any other animals have that kind of drive to ...

Nature has evolved a number of unique survival tactics, and one of the most fascinating ones is the ability of some animals to transport their home wherever they roam. These animals do not need to ...

Deep in the rainforests of the Democratic Republic of the Congo, Mélissa Berthet found bonobos doing something thought to be uniquely human. How to detect consciousness in people, animals and maybe ...

A study by Spanish researchers suggests same-sex sexual behavior among mammals − especially primates − is not only common and adaptive but supports social relationships and reduces conflict. Their ...