Arizona has 28 species of bats that eat annoying insects and pollinate plants. Here's when they come out and what to do if one gets in your house.

Every spring, Mexican long-nosed bats traverse a lengthy migratory path north from Mexico into the southwestern U.S., ...

Bat colonies can reach truly enormous sizes, some with millions of bats pouring out to feed each night, and one cave in Texas has the largest of them all.

The Houston Humane Society says the Mexican free-tailed bats that live under the Waugh Bridge survived the storm.

According to experts, Austin is home to the largest urban bat colony in North America. Approximately 1.5 million bats make the Ann Richards Congress Avenue Bridge their home for part of each year.

Every summer between May and October, as they migrate south toward Mexico, a colony of some 20,000 Mexican free-tailed bats make a flood control tunnel their temporary nesting spot. That means ...

Mexican long-nosed bats have been identified in southeastern Arizona through citizen scientist efforts and innovative DNA technology.