Some animals rarely, if ever, get sick—how is that possible? Scientists have uncovered the incredible immune defenses and biological adaptations that keep certain species disease-free.

The March incident highlights an ongoing deadly outbreak as a neurotoxin ravages wildlife in Southern California.

watching to see if the animals get sick and then looking at their tissues under the microscope,” said Francis Collins of the NIH National Human Genome Research Institute in a February ...

"These animals are reacting to the fact that they ... seals and sea lions in large quantities, causing them to get sick. Exposure to the acid causes serious neurological issues in sea lions ...

SeaWorld San Diego says it is getting up to 100 calls and emails a day from people reporting seeing sick animals ...

MADISON, Wis. -- The Henry Vilas Zoo is well-equipped to handle what happens when its animals get sick. That includes the bird flu. According to the CDC, wild water birds are the host of the virus.

“We believe it’s an environmental contagion causing all of this,” Lifeguards have also been busy tending to the sick animals. Mercado de Santiago is asking residents not to approach stranded ...

SeaWorld's rescue team has been working around the clock to manage the growing influx of sick animals. In just the past week, the rescue team at SeaWorld has received up to 100 calls a day ...