"They’re not puppies." Video of US national park visitors' reckless behavior near wild animal sparks backlash: 'Tourists push ...

Sealed surfaces, artificial light and constant noise: What is part of everyday life for humans poses major challenges for ...

A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its ...

City environments subject animals to noise, light, crowding, and fragmented habitats that subtly but powerfully reshape how they communicate.

Homosexual behavior is much more common across the animal kingdom than we first thought, new research has found. Scientists found that 78 percent of animal behavior experts had seen some degree of ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

"Following the above noted precautions can help residents." Officials issue warning after noticing unusual behavior of wild ...

Feeding wild animals might seem like a harmless act of kindness, but it often carries serious and unintended consequences.

In the natural world -- where predators pounce, prey flee, and group members feed and sleep in solidarity -- animal behavior is glorious in its variety. Now, new research suggests there may be an ...

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

A friend of mine recently sent me a beautiful and moving photo essay published by Isa Leshko capturing the "beauty and dignity of elderly animals" "in their winter years". As I looked at each of the ...

A cow’s clever behavior using back-scratching tool forces scientists to rethink intelligence of animals - This type of ...