When several horses wildly outperformed the odds at tracks at Saratoga and the Jersey Shore, bookmakers in London were stung and industry watchers suspected an elaborate plot.

This article was originally featured on The Conversation. Across human history, no single animal has had a deeper impact on human societies than the horse. But when and how people domesticated horses has been an ongoing scientific mystery. Half a million ...

Wild horses and donkeys are often considered a problem in the American West, but new research suggests their penchant for digging wells with their hooves offers benefits to the ecosystems they inhabit, reports Douglas Main for National Geographic.