National Museum of Natural History

A slab of multicolored, sedimentary rock is pictured with vibrant trees and water surrounding it.

Meet the Scientist Venturing to Remote Canada in Search of the Earth’s Oldest Rocks

Smithsonian researcher Wriju Chowdhury is part of an expedition searching for 4-billion-year-old crystals that could uncover the secrets behind Earth’s early history

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Inclusive Innovations: An Accessible Natural History Experience

To celebrate the 34th anniversary of the Americans with Disabilities Act, discover four creative museum experiences that enhance accessibility for all visitors

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Dusting Dinosaurs and Elephants: How Specialists Keep the Museum’s Largest Treasures Spotless

To celebrate International Museum Day, learn how experts protect the museum’s most dramatic displays from dust bunnies and cobwebs

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Just Our Type: Museum's Dinosaur Skeleton Becomes the Scientific Standard for Its Species

In this month’s Specimen Spotlight, find out what makes the Smithsonian's Allosaurus specimen so special

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How Smithsonian Fossil Preparators Are Re-Excavating a Tyrannosaur From Its Past on Display

This National Fossil Day, take an inside look at the effort to free the skeleton for research after more than a century in museum fossil halls

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Dino-Sore: Smithsonian Paleontologist Diagnoses Ancient Ailments in the Museum’s Dinosaurs

For National Veterinary Day, Matthew Carrano gives several ancient reptiles a paleo-physical

In an aerial shot of the desert, a dry lakebed is surrounded by swaths of white salt flats.

Clay-Encrusted Microbes Provide Clues to How Early Life Developed on Earth and Potentially Mars

Smithsonian scientists study saline lakes in the Chilean desert to travel back in time to ancient Earth and beyond

A large research vessel with a cell tower on top sails across a dark blue stretch of ocean that expands towards a paler blue sky along the horizon.

Smithsonian Scientists Unearth Signs of an Ancient Climate Calamity Buried Beneath the Seafloor

The research puts modern oceanic climate change in context

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2022 in Review: The Year’s Top Discoveries by Museum Researchers

An Ichthyosaur graveyard, oyster middens and other headline-grabbing findings by scientists at the National Museum of Natural History

A man wearing a white hard hat, neon vest, dark gray pants and yellow gloves sits in a pit of dark rock. Just below his knees is a boulder with a piece of lighter gray fossil sticking out of the top.

Meet the Smithsonian Director Bringing a Deep Time Perspective to the International Climate Discussion

Kirk Johnson highlights the vital climate context museum collections provide at international COP conferences

An orange and tan Megalodon hangs over the museum's food court with its supersized mouth agape.

Diving with Sharks Through Deep Time

Celebrate Shark Week by meeting some of the prehistoric sharks prowling the museum’s collection

Two small fossil fragments of ancient brittle stars appear green as they rest on Ben Thuy's fingertip.

Scientists Describe Two New Species of Ancient Brittle Star

The newly unearthed fossils reveal an evolutionary path likely shaped by environmental crisis

Fossilized weigeltisaurid skeleton on beige background

The Oldest Airborne Vertebrate Animal Was a Reptile With 'Weird' Wings

Paleontologists describe a 255-million-year-old weigeltisaurid fossil that likely glided through the air with the help of expansive winglike membranes

Rising atmospheric carbon dioxide is causing global warming. This means glaciers in Antarctica are melting. Those same glaciers were originally made when carbon dioxide dropped 34 million years ago. (NASA/Jim Ross)

Drop in Greenhouse Gas Caused Global Cooling 34 Million Years Ago, Study Finds

The findings confirm that carbon dioxide plays a significant role in any climate change.

Zircons are the oldest minerals in the world and come in colors like the rich blue above. Researchers have now used these gemstones to identify when modern plate tectonics began. (Ken Larsen)

New Study on Zircons Finds Plate Tectonics Began 3.6 Billion Years Ago

The research reveals how one of Earth’s defining geologic features likely formed — and set the stage for the emergence of life

This fossilized dinosaur head and vertebrae were discovered in 1883 but only recently gained its name, Smitanosaurus agilis. (Smithsonian)

Scientists Give Old Dinosaur a New Name

A new study has reclassified a fossil discovered in 1883 as a dicraeosaurid — a family of long-necked dinosaurs rarely found in North America.

This is a giant spindle magnetofossil, created by a mysterious creature over 50 million years ago. So far, the iron fossils have only been found during two periods of intense global warming. (Kenneth Livi, Courtney Wagner, and Ioan Lascu)

New Way to Study Magnetic Fossils Could Help Unearth Their Origins

Now that scientists can detect these fossils in geologic materials faster, they will be able to look for past evidence of the fossils more efficiently.

A meteorite in the process of being recovered by volunteers in the Antarctic Search for Meteorites program. The shiny fusion crust on this meteorite suggests it may be an achondrite. (ANSMET)

What Antarctic Meteorites Tell Us About Earth’s Origins

Each year, Smithsonian scientists collect hundreds of meteorites from Antarctica that reveal details about the origins of Earth and our solar system.

Scientists at the Smithsonian’s National Museum of Natural History sequenced the genomes of 363 bird species in 2020. (Brian Schmidt, Smithsonian)

10 Popular Scientific Discoveries from 2020

Here are some of 2020’s most popular discoveries involving scientists from the National Museum of Natural History.

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