by Kerry SHERIDAN Agence France-Presse MIAMI, United States (AFP) — All the world’s wild horses have gone extinct, according to a study Thursday that unexpectedly rewrites the horse family tree based on a new DNA analysis of their ancestry. What most people thought were the last remaining wild horses on Earth — known as Przewalski’s horses — were actually domesticated horses that escaped their owners, said the report in the journal Science. “This was a […]