The current Martian mantle contains a multitude of heterogeneous fragments of kilometer-scale sizes. These heterogeneities are believed to be the result of differentiation processes dating back more ...

The genetic link between bones discovered thousands of miles away from each other suggests a prehistoric migration route.

Archaeologists in Egypt have discovered a 3,300-year-old whistle made from a cow's toe bone, believed to have been used by police to guard royal tomb workers. The artifact was found in the ruins of ...

Here’s what you’ll learn when you read this story: Mysterious micro-burrows in desert marble and limestone were probably made by microbes that lived millions of years ago. Exactly what kind of ...