Unusual trees found fossilized in Canada were buried alive 350 million years ago. Scientists say the discovery opens a new window into the history of life on Earth.

A new book on tree collectors around the world features two local enthusiasts with an arboreal obsession and are forever in pursuit of the rare, unusual and beautiful.

Two rare trees with ties to colonial-era Philadelphia soon will grace the steps to Carpenters' Hall in Old City. The 6-foot-tall Franklinia Alatamaha trees, better known as Franklin trees, will be ...

(CNN) — 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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees are believed ...

(CNN) — 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.