Albuquerque museum curator helps identify Speleotherium logani, a previously unknown muskox relative that roamed the region ...

The oldest sediment DNA discovered so far comes from Greenland and is 2 million years old.

From the plains of the Pleistocene to the age of smartphones, the human brain has evolved but never forgotten its roots. Many of our instincts and quirks are echoes of our ancestors.

Some people in Ukraine weathered the harshest moments of the last ice age by creating shelters made partly of mammoth bones and tusks.