MaMA has so far identified more than 230 lingering ash trees. Most are from the Hudson Valley region, ground zero for the ...

Rare plants are no longer the secret obsession of eccentric collectors hidden away in greenhouses. Today, the fascination ...

Trees are believed to have originated hundreds of millions of years ago. Ever since, evidence of these ancient plant sentinels has been in short supply. Now, a new discovery of uniquely 3D tree ...

To save an endangered tree, put it up for sale. And whatever you do, don’t tell anyone where it is. That’s how an Australian consortium is protecting the Wollemi pine tree, a rare species that dates ...

SOCOTRA, Yemen -- On a windswept plateau high above the Arabian Sea, Sena Keybani cradles a sapling that barely reaches her ankle. The young plant, protected by a makeshift fence of wood and wire, is ...

Scientists have found that rare trees growing in Kenya can save the world by turning carbon dioxide (CO2) from the air into stone. The finding, presented by researchers from the University of Zurich ...

SAN DIEGO — Perched on crumbling cliffs along San Diego’s coastline, a fragile forest of rare trees continues to survive in one of the harshest environments in North America. This is Torrey Pines ...

COTATI, Calif. (KGO) -- Arborists, historians, and residents are banding together to save a redwood in the North Bay that was little noticed until it was announced the tree would be chopped down to ...