Human footprints stir the imagination. They invite you to follow, to guess what someone was doing and where they were going.

Astronomers have discovered a group of dwarf galaxies with distinct features that challenge predictions made by the ...

On Libya’s Messak Settafet plateau, Cretaceous sandstone tells a dual story: modern oil field operations and remnants of ...

Maybe they helped each other. Maybe they ran from each other. Maybe they ignored each other. It’s long been known that multiple species of ancient humans lived in the same hot, lush lakeshore area of ...