A 307-million-year-old fossil reveals that some of Earth’s earliest land animals were already experimenting with a ...

In Focus delivers deeper coverage of the political, cultural, and ideological issues shaping America. Published daily by ...

Hundreds of millions of years before dinosaurs, the tallest things on land were not trees or animals but towering, trunk-like ...

An international research team led by Dr. Lorenzo Marchetti from the Museum für Naturkunde Berlin has described the oldest known impressions of reptile skin from the Thuringian Forest in central ...