National Museum of Natural History

A large elm tree with branches full of green leaves stands in the sunlight

How a Historic Smithsonian Elm Thrives, Over 150 Years After its Planting

Caring for the tree safeguards a beloved part of D.C.’s urban forest, past and present

An orange-colored fly, as seen from above and below

Get to Know the Scientist Studying How Parasitic Flies Stomach Bat Blood

Microbiologist Kelly Speer uses museum specimens to study blood-feeding insects and their mammalian hosts

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

The National Museum of Natural History’s 146 million objects and specimens are studied by researchers worldwide who are looking to understand all aspects of the natural world. (Chip Clark, Smithsonian)

How Museum Collections Advance Knowledge of Human Health

The National Museum of Natural History's collections are important sources of information for scientific research on health and medicine.

Bat ticks (Ornithodoros) under a microscope. These parasites primarily feed on bats and were collected from bats roosting beneath a Mayan Temple in Belize. Very little is known about these ticks and many species are unknown to science. (Kelly Speer)

Why We Need to Save the Parasites

Parasite extinction will have lasting and far-reaching consequences for biodiversity, and subsequently for humans.

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