A polar bear peers through a hole in sea ice. A mosquito bites a snake. A clumsy young bullfrog lunges, unsuccessfully, for a ...

Here are some wholesome animal photos that could give you both warm fuzzies and belly laughs. Enjoy the good vibes!

Take a look at the thermographic infrared world of lions, cats, and bears. Thermal imaging, also known as thermography, captures infrared radiation and turns it into an image similar to standard ...

The evolution of bilateral symmetry—the left-right balance of arms, legs, and organs that is a hallmark of all higher animals—was one of the greatest leaps in the history of life. In June a team of ...