How and when spines changed in mammalian evolution

A new study from Harvard University and the Field Museum of Natural History sheds light on how and when changes in the spine happened in mammal evolution. The research reveals how a combination of developmental changes and ...

Early humans evolved in ecosystems unlike any found today

To understand the environmental pressures that shaped human evolution, scientists must first piece together the details of the ancient plant and animal communities that our fossil ancestors lived in over the past 7 million ...

Tasmanian tiger doomed long before humans came along

The Tasmanian tiger was doomed long before humans began hunting the enigmatic marsupial, scientists said Tuesday, with DNA sequencing showing it was in poor genetic health for thousands of years before its extinction.

page 1 from 13