This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

A terracotta figurine in the form of a pig was made in Egypt around 3000 b.c., during the Early Dynastic period. Pork accounts for more than a third of the world’s meat, making pigs among the planet’s ...