A comparison of 263 species supports the idea that large animals have higher rates of cancer than smaller ones. But the increase is less than expected, suggesting they have evolved ways to lower their ...

“Big animals have long legs and big gut lengths so when they swallow a seed they're going to move it much farther.” While this might seem in the weeds — literally — these changes likely ...

Back in the 19th and 20th centuries, big-game hunters considered these five animals as the most challenging and prestigious to hunt. Thankfully, many live in protected areas today, and you can see ...

Lagoon announced it is phasing out the zoo featured in its Wild Kingdom train ride. A public records requests showed that six big cats have already been relocated to a Colorado sanctuary.

Bigger animals live longer and have more cells that could go awry, so we would expect them to have a greater risk of developing cancer. A comprehensive analysis of 263 species suggests this is ...