This 30-year-old orange tree named Donaldson may hold the cure for the disease now decimating Florida’s citrus trees.

In a groundbreaking discovery, botanists have identified a towering, ancient species of tree in Tanzania’s Udzungwa Mountains ...

Scientists discover a giant thousand-year-old tree called Tessmannia princeps, a new species that reaches 131 feed high and 3 ...

Something strange happens to water as it moves through the stems of horsetail plants – and this unique process provides ...