America is home to some of the most venomous rattlesnakes in the world. Discover the top 5 U.S. states with the highest rattlesnake populations, where these reptiles thrive, and how to stay safe in ...

Ruby-throated hummingbirds were first spotted in Michigan over the weekend. As of Monday, April 21, sightings have been ...

Monarch butterflies are making their flight north after wintering in Mexico. Here's what to know about the fascinating, ...