Researchers are using tracking collars on opossums to find the invasive Burmese pythons in Florida. We explain how it's done.

Florida scientists are using opossums to secretly track invasive Burmese pythons in the Everglades—and it’s working.

Gators versus pythons in the Florida Everglades is a death match in which neither species — the native alligator or the invasive Burmese python — can claim bragging rights. Sometimes you win, says the ...