By Jeanne Timmons Ground sloths emerged in South America tens of million years ago, eventually ranging as far north as Canada. While their modern relatives dwell in trees and top out at the size ...

Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered in 2012. It was a giant, feathered creature adapted ...

Like T. rex and some modern sloths, this strange 90 million year old dinosaur had two fingers on each hand. An illustration shows what Duonychus tsogtbaatari might have looked like. Unlike its ...

Giant ground sloths, mammoths and elephants, giant bison and tapirs, even species of massive armadillos and camels all died out in the millennia after humans arrived in the Americas. Australia ...

The ancient animals were megafauna hunters, ultimately disappearing with the last giant ground sloths and mastodons about 13,000 years ago. Yet last week, Time proclaimed their second coming with ...

Giant ground sloths, mammoths and elephants, giant bison and tapirs, even species of massive armadillos and camels all died out in the millennia after humans arrived in the Americas. Australia lost ...

NEW HAVEN, Conn. (WTNH) — It was one year ago New Haven’s Yale Peabody Museum opened its doors again after a massive four-year renovation. It was a complete overhaul of the 159-year-old museum.

They lived concurrently with ancient mammoths and/or mastodons, giant ground sloths and large wolves, during the peak of the last ice age. Those are among the conclusions scientists revealed in a ...