Leaf-cutter ants rely on their razor-sharp mandibles to snip leaves to pieces. But over time, their mandibles dull. Physicist Robert Schofield of the University of Oregon looked at what happens when ...

Biologists have found new types of specialized fungal parasites that attack the nests of leaf-cutter ants and their relatives. The discovery could provide clues for controlling the agricultural and ...

When looking for wildlife in Costa Rica, it’s easy to become fixated on the unusual mammals and vibrant birds, but one of the country’s most complex creatures lies underfoot. Living in massive ...