Global warming is worsening droughts, making sea levels rise, and fueling deadly storms. Now scientists have a new problem to add to that list: Climate change is helping rat populations thrive in U.S.

In the first study of its kind, scientists found a correlation between climate change and a rise in urban rat populations.

Winters are getting warmer and shorter as the climate changes. That's helping rat populations grow in several U.S. cities.

Here are 8 of the most smartest pets you can have.

Corn snakes, known for their docile nature and vibrant colors, are popular pets and non-venomous. They are native to the ...