Thousands of years before stone houses or mud bricks, Ice Age humans in Ukraine were building shelters out of mammoth bones. A new study reveals that some of these structures, made from the remains of ...

The azhdarchid group of pterosaurs were some of the largest animals ever to fly. The giant reptiles lived between 66 million and 225 million years ago, and their unusual proportions—big heads at the ...

A new study in Nature led by scientists at New York University reports that fossil bones as old as 3 million years still ...