The United States has a variety of venomous wildlife, including hornets, rattlesnakes, black widow spiders, Gila monsters, ...

Robert F. Kennedy Jr, who oversees the health of more than 340 million Americans, says vitamin A can prevent the worst effects of measles rather than urging more people to get vaccinated.

However, there's another strange fish that can't swim, and it looks almost exactly like the Cookie Monster from Sesame Street ...

The unusual eyes of this creature enables it to scour food in the dark underwater zone, by preying upon little jellies for ...

A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.