National Museum of Natural History

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Paleontologists Discover a ‘Marvelous’ Triassic Reptile That Sported a Sail of Feather-Like Structures on its Back

The odd structure is distinct from anything seen in living animals and likely created a colorful display

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Newly Described Fossil From Wyoming Sheds Light on When Frogs and Toads Lost Their Teeth

A fragment of upper jaw fossil from the Early Cretaceous is among the oldest examples of a toothless amphibian in the fossil record

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Fetching Fossils and Unwrapping Mannequins: Here’s What Happens When a Museum Exhibition Closes

In the wrap-up of “Objects of Wonder,” hundreds of the museum’s most treasured specimens are returning to the collection

Yellow and white lichens are pictured against a back background on a tree branch.

Meet the Smithsonian Fellow Alumni Helping to Save the Planet

This Earth Day, learn about early-career researchers who are tackling issues from green technology to lichen biodiversity and coral rehabilitation

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Newly Discovered Fossil from the Smithsonian’s Collection Named After Kermit the Frog

The new amphibian ancestor joins a growing list of species named after Jim Henson and his Muppet characters

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1.1 Billion Objects and Counting: Inside the Effort to Tally Natural History Specimens Around the Globe

This year, NMNH director Kirk Johnson helped spearhead an effort to add up the collections of the world’s largest museums

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What a Drawerful of Dung Reveals About the Lives of Ground Sloths

For International Sloth Day, learn about the scientific clues preserved in petrified poop

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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

A large, brown tooth sits on top of a colorful map of the California coast

Summer Summary: A Mysterious Fossil Tooth, Metallic Planet and Marine Hitchhikers

Catch up on the museum discoveries you may have missed over the past few months

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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

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Smithsonian Scientists Discover One of the Earliest Mammal Ancestors That Ate Its Veggies

The new finding pushes the first signs of tetrapod herbivory back millions of years

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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

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2022 in Review: Smithsonian Staff Sifts Through an Ocean of Fossils

Integrating shimmering ammonites, toothy mosasaurs and a massive haul of specimens into the growing National Fossil Collection

A tan-colored skull and spine sticks out of a sandy surface. The jaws of the elongated skull are studded with sharp teeth that are angled at the viewer.

This November, Be Thankful for Specialty Spirits and Ancient Sea Monsters

Tune into programs about “underground astronauts,” archetype-busting archaeologists and more with the National Museum of Natural History

Elephant-like mammoth and mastodons trudge across a pond while a group of giant camels stop for a drink. In the background are snow-capped mountains. Crouching in the grassy foreground are a pair of sabertooth cats.

What the Demise of Mammoths Can Teach Us About Future Extinctions

Smithsonian scientist's research illustrates how North American ecosystems are still reeling from the megafaunal extinction that closed the ice ages

A small bonfire burns in the foreground with a sunset in the background.

Explore How Fire Shaped Human Evolution and More Natural History Programs This March

Tune in to programs on the future of biodiversity, how to talk about climate change and more through the Smithsonian National Museum of Natural History

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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

Tyrannosaurus rex was first discovered in 1900, and named in 1905. But not much was known about how it lived or died. (USNM 555000 and USNM 500000, Smithsonian)

What We've Discovered About the 'Tyrant Lizard King' Since the Nation's T. rex Was Unearthed

Paleontologists continue to use the species to find out more about tyrannosaurs and dinosaurs in general

Tens of millions of years of bird evolution guided some of the most important elements of human-powered flight. (Pixabay)

How We Lifted Flight from Bird Evolution

The path to flight in modern birds was full of forks, twists and dead ends.

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