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Trees

Male flowers of the striped maple tree.

The Mystery of the Sex-Changing Striped Maple Trees

Yes, trees can be male or female. And sometimes they switch it up

World’s Tallest Wooden Building to Be Built in Tokyo

Architects are increasingly touting wood as a cleaner alternative to steel, concrete and brick

A British Columbia rainforest, where Douglas firs soar more than 160 feet, supports 23 native tree species.

Ask Smithsonian

Do Trees Talk to Each Other?

A controversial German forester says yes, and his ideas are shaking up the scientific world

The author Brett McNish and Fred Hay perch in a live oak on Sapelo island.

A Smithsonian Horticulturist Goes on a Quest for an Historic Seedling

A live oak tree from a South Georgia island community will one day enhance the grounds of the African American History Museum

Driftwood is a valuable resource for humans and all kinds of ecosystems near and far.

How Driftwood Reshapes Ecosystems

In one of nature’s remarkable second acts, dead trees embark on transformative journeys

The Magnolia tree, left, was planted on the south grounds of the White House by President Andrew Jackson in 1835.

White House Magnolia Tree Planted by Andrew Jackson Will Be Cut Down

Despite multiple attempts to save it, the tree is in bad shape

Aerial view of the Amazon Rainforest near Manaus, the capital of the Brazilian state of Amazonas.

Cool Finds

Brazil Begins Effort to Plant 73 Million Trees in the Amazon

The experiment in reforestation involves spreading native seeds instead of planting saplings

A cross-section of the fossilised cladoxylopsid found in Xinjiang, China.

New Research

Ancient Trees “Ripped Their Skeletons Apart” To Grow

Cross-sections of 374-million-year-old tree trunks revealed a complex web of woody strands that split and repaired themselves

A southern New Hampshire pine forest was entirely blown down in the hurricane of 1938.

The 1938 Hurricane That Revived New England’s Fall Colors

An epic natural disaster restored the forest of an earlier America

Fall in Charlottesville.

Eight Places to See Amazing Fall Foliage Outside of New England

Autumn blazes in these off-the-beaten-path locations

In an era of rapid change, the managers of our nation's wild spaces are asking: What counts as natural anymore?

The National Parks Face a Looming Existential Crisis

Political uncertainty and a changing climate converge to forge the park system’s biggest challenge yet

For tree poachers, sometimes known as "midnight burlers," redwoods can present a lucrative opportunity for theft. New research recommends ways to deter this hard-to-trace wildlife crime.

New Research

How Forest Forensics Could Prevent the Theft of Ancient Trees

To track down timber thieves, researchers are turning to new tech and tried-and-true criminal justice techniques

Arborists gather around the "Big Tree" last year to remove soil that had built up around its base.

Trending Today

Despite Harvey’s Wrath, This 1,000-Year Old Tree Still Stands Tall

The Big Tree has survived at least 40 hurricanes

A witness tree on Stuart's Hill loop trail in Manassas National Battlefield Park

American South

These Five “Witness Trees” Were Present At Key Moments In America’s History

These still-standing trees are a living testament to our country’s tragic past

How Many Ways Can Snake Venom Kill You and More Questions From Our Readers

You asked, we answered

Salicylic acid, the main ingredient in aspriin, is found in a number of plants, including jasmine, beans, peas and clover as well as willow trees.

Aspirin’s Four-Thousand-Year History

It’s 2000 B.C. and you have a headache. Grab the willow bark

Bei Bai, July 28, 1916

Pandamonium

Watch: The Panda Cub’s Favorite Game Is Belly Flopping Out of Trees

Bei Bei, the nearly two-year-old giant panda shows off his climbing—and falling—skills

A view from within the Tyson Forest Dynamics Plot in Missouri.

New Research

Why Do We See More Species in Tropical Forests? The Mystery May Finally Be Solved

Surveying 2.4 million trees showed that predators may help keep the trees at sustainable levels

Tree rings are easiest to see in trees that grew in temperate places, because the temperature changes at different times of the year.

Why an Astronomer Turned to Trees to Try to Solve a Celestial Mystery

Andrew Ellicott Douglass’s theory of sunspots and climate was wrong, but he still pioneered the science of tree-ring dating

The big tree being prepared for its move in Boise, Idaho.

Cool Finds

Watch a 100-foot-tall Giant Sequoia Get Transplanted in Boise

A gift from John Muir, the beloved tree was transferred to a local park by St. Luke’s Medical Center so the facility can expand

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