About one inch in diameter, the Hope Diamond weighs 45.52 carats and is the largest deep-blue diamond in the world. New York jeweler Harry Winston donated it to the Smithsonian Institution in 1958.

Learn more about your place in the world through explorations of nature and culture. Join us Saturday, November 7th, as we celebrate National Bison Day! Discover different bison adaptations and learn ...

Come explore our blue planet with NMNH Ocean Educators. Through NOAA’s Science on a Sphere technology, you’ll encounter a series of interactive visualizations projected on the Sant Ocean Hall’s giant ...

A Sara Longwing (Heliconius sara) butterfly sitting on a leaf. Heliconius butterflies stand out for their fluttery flight. They feed not only on flower nectar, but also on pollen. Ranging from South ...

Permanent and temporary positions in the Department of Mineral Sciences, including both federal and trust-funded positions, will be listed below as they become available. The Department welcomes ...

James Cook’s first voyage circumnavigated the globe in the ship Endeavour, giving the botanists Joseph Banks and Daniel Solander the opportunity to collect plants from previously unexplored habitats.

For years, paleontologists did not know what to make of this fossil from the ancient shark Helicoprion that lived 290 million years ago. It was proposed to be a weapon at the tip of the nose, an ...

Martha, the Passenger Pigeon, passed away on September 1, 1914, in the Cincinnati Zoo. She was believed to be the last living individual of her species after two male companions had died in the same ...

The Department welcomes qualified scholars and professionals from around the world who are interested in utilizing the collections and facilities of the NMNH for on-site research and study. Visiting ...

Destructive Analysis-- Permission is required before any permanent alteration of a specimen for purposes of dissection, clearing and staining, SEM, TEM, or tissue sampling is allowed. You must obtain ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more ...