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The @Smithsonian’s National Museum of Natural History. Understanding the natural world and our place in it. Comment policy: http://t.co/dEmqsDtVTo

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smithsonian vertebrate paleontologist hans sues fields dinosaur related questions involving cats government co
#ICYMI Smithsonian vertebrate paleontologist Hans Sues fields dinosaur-related questions involving cats; government conspiracies; and the crime of mistaking Dimetrodon for a dinosaur. #DeepTime
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read a scientist s dramatic account of capturing rare footage of a giant squid which was confirmed by michael
#ICYMI : read a scientist's dramatic account of capturing rare footage of a giant squid (which was confirmed by Michael Vecchione, a NOAA cephalopod expert based at the Smithsonian, with@InvertebratesDC )!#CephalopodWeek
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the dr is in and hes got some trex ific news to share and have unveiled their unearthed collection of rare and
The Dr. Is In and he’s got some T.rex-ific news to share! @SILibraries and @BioDivLibrary have unveiled their "Unearthed" Collection of rare and historic paleobiology books to celebrate the opening of #DeepTime. Our very own Dr. Hans Sues wrote about it:
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thank you for bringing and raising the next generation of dino lovers come back soon
Thank you for bringing (and raising) the next generation of dino-lovers! Come back soon! 🦕🦖🦕🦖
Smithsonian's NMNH
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read about some of the recent research around this skull and then visit our exhibit to explore all things
Read about some of the recent research around this skull and then visit our exhibit #ArcticLegend to explore all things #narwhal .
Smithsonian's NMNH
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its a narwhal its a beluga its a narluga this is the skull of a narwhal beluga hybrid it has a number of erupt
It’s a narwhal! It’s a beluga! It’s a... narluga? This is the skull of a narwhal-beluga hybrid; it has a number of erupted teeth that are shaped like tiny narwhal tusks, as opposed to the beluga’s flat, peg-like teeth. (📷: Mikkel H. Post, @NHM_Denmark) #ArcticLegend
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come on by well be here all summer and will be open for extended hours
Come on by! We’ll be here all summer and will be open for extended hours.
Smithsonian's NMNH
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this little stegoceras is taking a moment to scratch its faceand show off the ornate bumps around the thick ce
This little Stegoceras is taking a moment to scratch its face—and show off the ornate bumps around the thick central dome of its skull. Like other pachycephalosaurs, it may have used its strange head in dominance competitions. #DeepTime
Smithsonian's NMNH
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happy this cats scientific name tells you all you need to know smilodon means blade tooth and fatalis hints at
Happy #Caturday! This cat’s scientific name tells you all you need to know: “Smilodon” means “blade tooth,” and “fatalis” hints at it’s deadly bite. Commonly known as a saber-toothed cat, this particular species once roamed North America. #DeepTime
Smithsonian's NMNH
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stay out late with us and the rest of the smithsonian today saturday june 22 and all our exhibitions will be o
Stay out late with us and the rest of the Smithsonian today, Saturday, June 22! #DeepTime and all our exhibitions will be open until midnight to celebrate #SolsticeSaturday, in association with #ByThePeople.

The Most Relevant

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prattkeeping is a key component of the exhibition process our dinosaur curator matthew carrano has a tough job
#PrattKeeping is a key component of the exhibition process. Our Dinosaur Curator, Matthew Carrano, has a tough job!
Smithsonian's NMNH
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anthropologist grover krantz loved to teach amp loved his pets he decided that when he died he would donate hi
Anthropologist Grover Krantz loved to teach & loved his pets. He decided that when he died he would donate his body to a scientific research collection—as long as his dog Clyde could stay with him. What better way to honor the love between man & man's best friend? #NationalPetDay
Smithsonian's NMNH
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proof that birds are dinosaurs a mourning dove with her chick in a triceratops protected nest happy and thanks
Proof that birds are dinosaurs? A mourning dove with her chick in a Triceratops-protected nest. Happy #FossilFriday and thanks to ’ Urban Bird Habitat for creating this ecosystem and the photo! #SmithsonianInBloom
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on what wouldve been s 60th birthday we share this purple wonder this chalcedonya type of quartzfrom sulawesi
On what would’ve been #Prince’s 60th birthday, we share this purple wonder. This chalcedony—a type of quartz—from Sulawesi, Indonesia is a variety called “grape agate.” Scientists are still trying to uncover the physics and chemistry behind its bubble-looking shapes.
Smithsonian's NMNH
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the most important thing when taking photos of a fossil specimen is always including a scale bar 1 rhomaleosau
“The most important thing when taking photos of a fossil specimen is always including a scale bar! 1 Rhomaleosaurus = 7 vertebrate paleontologists.” - Laura Soul, #DeepTime Education Specialist in our Paleobiology Department #ThisPaleoLife #FossilFriday
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our curator of dinosauria matthew carrano wants in on unscienceananimal heres his take on t rex deeptime
Our Curator of Dinosauria, Matthew Carrano, wants in on #UnscienceAnAnimal. Here’s his take on T. rex! #DeepTime
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this fascinating specimen is the skull of a narluga or narwhal beluga hybrid found in the waters off greenland
This fascinating specimen is the skull of a “narluga,” or narwhal-beluga hybrid, found in the waters off Greenland. The skull has a number of erupted teeth that are shaped like tiny narwhal tusks, as opposed to the beluga’s flat, peg-like teeth. #NarwhalWeek #ArcticLegend
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oh hello there meet xenacanthus a permian freshwater shark from texas whose name means strange spine it patrol
Oh, hello there. Meet Xenacanthus, a Permian freshwater shark from Texas whose name means “strange spine.” It patrolled rivers and muddy streams, looking for prey to catch with its two-pronged teeth, between 290 and 205 million years ago. #DeepTime
Smithsonian's NMNH
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thanks to you too can have a 3d copy of the nation s t rex killing or scavengingyou decidea triceratops
Thanks to @3D_Digi_SI, you too can have a 3D copy of the Nation's T. rex killing or scavenging—you decide!—a Triceratops! #DeepTime #sidigi
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the holidays wouldn t be complete without the department of anthropologys annual archaeology themed cake who c
The holidays wouldn't be complete without the Department of Anthropology’s annual archaeology themed cake. Who can name this year's site?
Total(1) => 0.43536186218262 f_f_QM(2) => 0.079068899154663 indS(2) => 0.020159006118774 indM(2) => 0.055775880813599 indM_1(2) => 0.0067009925842285 indM_2(2) => 0.0010757446289062 indM_4(2) => 0.0072791576385498 indM_5(2) => 0.0070948600769043 indM_6(2) => 0.0064160823822021 indM_7(2) => 0.0051538944244385 indM_8(2) => 0.002061128616333 indM_9(2) => 0.0106041431427 indM_10(2) => 0.0089449882507324 f_f_pTL(2) => 0.34063601493835 f_f_dT(20) => 0.34032464027405