By Will Dunham June 4 (Reuters) - The cave lion was one of the biggest cats to ever live, prowling a huge swathe of territory ...

Ancient DNA reveals that cave lions were a distinct evolutionary lineage that split from modern lions more than a million ...

The remains of a 14,400-year-old woolly rhinoceros recovered from an Ice Age wolf's stomach have given new clues about the demise of the species. Analysis of the rhino's genome suggests the extinct ...

CNN — The perfectly preserved remains of an Ice Age cave bear have been discovered in the Russian Arctic -- the first example of the species ever to be found with soft tissues intact. The astonishing ...

A new species of mosasaur — one of the largest marine reptiles ever documented ...

Fossils from giant tortoises, armadillos and other Ice Age-era species challenge previous assumptions about the region’s ...

WHITEHORSE, Yukon (AP) — Miners in northwestern Canada have discovered ice age camel bones whose DNA is forcing scientists to redraw the family tree of the now-extinct species. Grant Zazula, a ...

An Albuquerque museum curator was part of a team that identified a new species related to the muskox — one that roamed thousands of years ago and found its final resting place in what's now known as ...

PORTLAND, Ore.— The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect the Columbia yellowcress under the Endangered Species Act. Columbia yellowcress are ...

Humans seem to have been adapted to the last ice age in similar ways to wolves and bears, according to our recent study, challenging longstanding theories about how and where our ancestors lived ...