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

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.

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

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.

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 ...