Trees are typically organized into two categories: hardwoods (angiosperms) and softwoods (gymnosperms). A new study suggests that there is a third type of wood—known as “midwood”—that could explain ...

An entirely new type of wood that does not fit into either category of hardwood or softwood has been discovered by researchers who were undertaking an evolutionary survey of the microscopic structure ...

Gymnosperm means “naked seed” and comes from the same Greek root as gymnastics, which means to exercise naked. This group of plants is so named because the seeds are not enclosed inside an ovary, ...

One of the great mysteries of evolutionary biology is how, 150 or more million years ago, modern-day angiosperms (flowering plants) diverged from their closest relatives, the gymnosperms (seed-bearing ...