Endangered Species Act Protections for Giraffes Proposed ...

Revealed by a German fossil, the newly described species sheds light on questions that scientists have been puzzling over for ...

In pursuit of knowledge, the evolution of humanity ranks with the origins of life and the universe. And yet, except when an ...

The ancient reptiles were once tiny tree-climbers but, over time ... weighing up to 250kg (550lbs), because they went through evolutionary changes that made their hands and feet look much more like ...