Researchers say that the abundance of horses at the site hints at what the landscape looked like around 500,000 years ago, while the assemblage as a whole — with armadillos, sloths, and tapirs as well ...

The Pliocene horse of America still requires further exploration before it can be positively ... The first result obtained is the proof of the multiple nature of the evolution of the horse during ...

Wild horses run at Snaefellsjokull National Park in Reykjavik, Iceland on October 8, 2016. CREDIT: Mustafa Yalcin/Anadolu Agency/Getty Images.