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Natural Sciences

By combining ecological data-gathering with philosophical contemplation, Leopold bridged the art and science of conservation.

America at 250: The Revolutionary Spark

In the Early 1900s, a Young Ecologist Shot a Wolf and Watched the Life Leave Its Eyes. That Changed His Position on Conservation

Aldo Leopold’s writing reconsidered the place of humans in the natural world and challenged people to be less conquerors of the land and more citizens of it

Smithsonian magazine's picks for the best books about science in 2025 include Replaceable You, Dinner With King Tut and North to the Future.

The Best Books of 2025

The Ten Best Science Books of 2025

From “experimental archaeology” to the mysterious appeal of exploration, the wide-ranging subjects detailed in these titles captivated Smithsonian magazine’s science contributors this year

Navigating based on natural signs, writes Tristan Gooley, “sharpens our powers of observation, deduction and prediction.”

It’s Almost Impossible for Tristan Gooley to Get Lost. That’s One Reason He Has Millions of Followers

The British adventurer has crossed the Atlantic solo in a plane and a boat. Now he reads tree leaves, puddles and moss to get his bearings

First-place winner: rice weevil (Sitophilus oryzae) on a grain of rice

These Beautiful Microscope Photos Capture Tiny Pests, Spores, Sensory Neurons and Sunflower Hairs

Nikon has announced the winners of its 51st annual photomicrography competition

The slice was taken from an area of the trunk roughly three feet above the ground.

New Research

By Counting Growth Rings, Researchers Solve the Mystery of the Sycamore Gap Tree’s Age

A new analysis shows that the historic tree was at least 100 to 120 years old in September 2023, when two men illegally chopped it down

The bodies were arranged into crouched positions, then propped over or placed near a fire to slowly dehydrate.

New Research

The World’s Oldest Mummies Might Be These Smoke-Dried, 12,000-Year-Old Skeletons From Southeast Asia

The human remains predate Chile’s Chinchorro mummies and the famously preserved pharaohs of ancient Egypt by millennia

Dustin Partridge of the New York City Bird Alliance looks for migrating birds during the 2024 Tribute in Light in New York City.

The New Science of Aeroecology Reveals So Much About the Amazing Creatures That Populate the Skies and How Humans Can Ensure Their Survival

The sky above us is a complex ecosystem, just like the land and sea. A new field of research is bringing a fresh understanding of the birds, bugs and other species that live there

None

A Peculiar, Short-Lived Office at the Smithsonian Once Explored Reports of Bizarre Natural Phenomena

From surprising squirrel migrations to islands popping up out of nowhere, the organization’s scientists tracked strange events as they happened

A hatchling Kemp's ridley sea turtle

Inside the Herculean Effort to Study and Save the World’s Smallest Sea Turtle

After years of steady gains, a decades-long conservation program dedicated to the Kemp’s ridley hits rough seas

Replicas of sheep and paintings are part of the exhibition's "exploded" diorama layout.

From Shears to Sweaters, an Experimental New Exhibition Examines the Long, Wooly Relationship Between Humans and Sheep

The Amsterdam show features an eclectic mix of wool garments, life-size sheep replicas and philosophical musings about the interconnectedness of the two species

A firefighter works as the Hughes Fire burns north of Los Angeles on January 22.

Welcome to the Pyrocene

Human use of fire has produced an era of uncontrolled burning

A visitor examines a watch crafted by Abraham-Louis Breguet for Marie Antoinette.

These Fascinating Objects Show How the Palace of Versailles Drove Surprising Scientific Advances in the 17th and 18th Centuries

Titled “Versailles: Science and Splendor,” a new exhibition illustrates how the royal court encouraged innovation during the reigns of Louis XIV, Louis XV and Louis XVI

By age 11, Theodore Roosevelt boasted that he had 1,000 scientific specimens in the collections of his Roosevelt Museum of Natural History.

How a Dead Seal Sparked Theodore Roosevelt’s Lifelong Passion for Conservation

As a child, the future president acquired a marine animal’s skull, which became the first specimen in his natural history collection

Bokmakierie's nest and eggs from the collection of the Natural History Museum at Tring

See the Wonders of Bird Engineering in These Photos of Intricate Nests

In a new book, a curator at England’s Natural History Museum describes rare and interesting nests and eggs—from the house sparrow to the village weaver—and the lessons they hold for avian conservation

The blind side of a Remo flounder's head as it was being dissected

These Fish Transformed Their Dorsal Fins Into Taste Buds

From tasting to hunting to hitching a ride, some fins have evolved for a variety of uses beyond swimming

A model of the Smilodon fatalis skeleton (right) on display as part of a special exhibition in Schöningen, Germany, on April 12, 2017

‘Fearsome’ Saber-Toothed Cats Needed Their Baby Teeth and Mommies, Too

According to new research, two sets of sabers and unusual lower jaw anatomy show that the saber-toothed cat Smilodon fatalis delayed adulting with a long weaning period

The Altar Stone lies at the center of the prehistoric monument in Wiltshire, England.

New Research

Stonehenge’s Massive Central Stone May Have Been Shipped From Hundreds of Miles Away

Researchers think they’ve solved the mystery of the monument’s Altar Stone, which could have traveled all the way from Scotland

A view of an over 400-year-old tree on Barro Colorodo Island, on November 23, 2015

Why Are Giant, Ancient Tropical Trees Dying?

Scientists from an international project are racing to figure out what kills these anchors of their ecosystems—before it’s too late to save them

False mermaid-weed is small and only emerges for a short window every spring.

Cool Finds

Rare ‘Absolutely Tiny’ Plant, Not Seen for More Than a Century, Found in Vermont

The last time a botanist recorded a sighting of false mermaid-weed in the state was in 1916

The bamboo octocoral Isidella sp. displaying bioluminescence in the Bahamas in 2009.

Glowing Sea Creatures Have Been Lighting Up the Oceans for More Than Half a Billion Years

New research on branching animals known as octocorals pushes the early days of bioluminescence back over 200 million years

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