Stay alert! From snakes to spiders, these seven states have the most venomous and dangerous animals to be on the lookout for.

Researchers discovered that animal color vision evolved long before colorful fruits and flowers, with warning and sexual ...

Government and private groups are funding an over $100,000 reward for information about the death of a Mexican gray wolf in ...

A new study from the University of Arizona reveals that color vision in animals evolved around 500 million years ago, much ...

Example of animals using color for sexual selection (peacock) and warning (poison dart frog). iStock A recent study has illuminated ... Wiens at the University of Arizona, the study analyzed the ...

In the Pacific Northwest, hunters are seeking out the invasive barred owl in an effort to save the threatened northern ...

A new study led by researchers at the University of Arizona has shed light on the evolution ... are used by toxic species ...

There has been a dramatic explosion in the use of colour vision during the last 100 million years. Its greatest users are ...