After serving nearly 30 years as a doorstop for a nuclear physicist, a hunk of petrified wood has finally been recognized as a one-of-a-kind find.
The invasive species native to Japan and the Korean peninsula is no friend to forests or gardeners.
Rachel Sussman spent a decade traveling to remote locations around the world to photograph continuously living organisms that are 2,000 years old and older.
Some 24 centuries after the ancient Greek father of medicine taught his students under an Oriental plane tree, scientists say they have the tree's genetic blueprint.
A new book pays tribute to Ansel Adams and the wilderness area in California that is named for him.
A cosmic mystery is uniting monks and scientists in Japan after a cherry tree grown from a seed that orbited the Earth for eight months bloomed years earlier than expected -- and with very surprising flowers.
The trees koalas prefer to sit in doesn't necessarily correspond to where they prefer eating.
Foresters and environmental scientists recently calculated how increased use of wood construction materials would reduce carbon dioxide pollution and fossil fuel demand. Continue reading →
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