The shift from lizard-like sprawl to upright walking in mammals wasn’t a smooth climb up the evolutionary ladder. Instead, it was a messy saga full of unexpected detours. Using new bone-mapping tech, ...

New findings reveal the geological age, context, and anatomy of hominin fossils discovered at the Ledi-Geraru Research Project in Ethiopia. Although scientists have uncovered much of the story of ...

This mammal, about the size of an opossum, had a mix of strange characteristics that haven't been seen together before. It highlights evolutionary strangeness that can arise when evolution occurs in ...

This mammal, about the size of an opossum, had a mix of strange characteristics that haven't been seen together before. It highlights evolutionary strangeness that can arise from evolution when it ...

The fossil is the earliest known multituberculate, a distant rodent relative. Aug. 20, 2013— -- What comes to mind when you hear the phrase "Jurassic Park"? Chances are it's images of a gigantic ...