The invasion of non-native species can sometimes lead to large and unexpected ecosystem shifts, as Douglas Kamaru and colleagues demonstrate in a unique, careful study that traces the links between ...

“The ant and the zebra” sounds like the title of one of Aesop’s fables. Like all good fables, this one has a moral, which is that tinkering with nature has unpredictable consequences. Unlike the Greek ...

Wildebeest, zebra and humans? That’s the diet scientists say filled the bellies of two infamously bloodthirsty lions who once terrorized railroad workers. The “Tsavo man-eaters,” as the male African ...