Alligator Alcatraz, the migrant detention center in the Florida Everglades, is surrounded by swamps infested with massive Burmese pythons.

Is this a fire ant? Tawny ants in Florida number in the millions, asphyxiate their prey, create huge supercolonies that are nearly impossible to eradicate.

Beneath the surface of a Colombian coal mine, scientists made a discovery so extraordinary that it rewrote what we know about giant reptiles. In 2009, researchers unearthed fossil remains of an ...