fill an approximately 25-million-year gap in knowledge by reconciling the molecular clock—or pace of evolution—with the fossil spore record—the physical evidence of early plant life gathered by ...

A newly described plesiosaur fossil from southern Germany is providing crucial evidence about the diversification of these ...

Before hominins intentionally chipped stone to make tools, they likely used sharp rocks already shaped by natural forces.

Global research team explores how environmental factors and dispersal barriers influence biodiversity. Why do certain plants ...

Sharp stone technology chipped over three million years allowed early humans to exploit animal and plant food resources. But how did the production of stone tools -- called 'knapping' -- start?

The evolution of such a truly giant plant predator was spurred ... Plants evolved their own sun- screen. And if early plants and their predecessors had continued to explore the life aquatic, the ...