The Tremembé Formation itself is the only fossil-rich unit in Brazil from the Late Oligocene that preserves mammal remains.

Gruesome animal killings have left a remote Southern town on edge. The local animal control team thinks a large predator is responsible. A remote Southern community contends with more turmoil after ...

Hollywood would have difficulty inventing a rodent as scary as the South American swamp beast that has gained a toehold in the Sacramento-San Joaquin Delta. Imagine a rat-looking creature weighing ...