12-07-17 There's no honor among thieves when it comes to rodent robbers -- which turns out to be a good thing for tropical trees that depend on animals to spread their seeds. Results of a yearlong study in Panama, published online in Proceedings of the Natio...

12-05-14 The typical naked mole rat lives 25 to 30 years, during which it shows little decline in activity, bone health, reproductive capacity and cognitive ability. What is the secret to this East African rodent's long, healthy life? Scientists from the Uni...

11-10-13 In a literal walk through time along the Ucayali River near Contamana, Peru, a team of researchers found rodent（啮齿动物） fossils at least 41 million years old -- by far the oldest on the South American continent. The remains -- teeth -- showed th...