Fossil expert Maria McNamara explains how paleontologists are starting to investigate the hues of the past
A new Sidedoor episode tells the story of Roxy Laybourne, a Smithsonian scientist who pioneered the field of forensic ornithology
Last week, the first baby wallaby to be born at the Smithsonian's National Zoo in three decades poked its head out of its mother’s pouch
The fossils from the Cambrian Period include dozens of new species and provide a window into life more than 500 million years ago
Museums house a wealth of rare animal specimens, such as arctic clothing, medieval parchment and Viking drinking horns, but DNA testing can be destructive
A new book dives into the history of osteology, the study of bones, and everything we can learn from the skeletons life leaves behind
Lab rodents have been used in animal testing for more than 150 years, and the number of rodent-based studies continues to grow
Marine biologists don't know how long different species can survive adrift in the open ocean, and some may become invasive when they reach new shores
The little mammals of Madagascar appear to have undergone an evolutionary tradeoff between brain size and defensive armor
Though his voyage to the Galapagos and his work with finches dominate the narrative of the famed naturalist, he was, at heart, a botanist
Wing color and mate preference seem to be genetically bound, leading these tropical butterflies to only choose mates that look like them
Fossilized feces filled with bone reveal the feeding habits of an ancient predator
Years of expeditions in the world's tallest mountain range reveal that Himalayan wolves have developed genetic adaptations to living at high altitudes
The 330-million-year-old species <i>Edestus</i> had one of the most unique bites in natural history
Smithsonian scientist Nick Pyenson explains how taking an interest in natural history can help us understand our future
The aquatic salamander's genome is one of the most complex sets of genetic instructions in the world
Scientists journey to the icy bottom of the Earth to see if satellite imagery can determine how many Emperor penguins are left in the world
Animals can certainly feel the cold, and many species have developed unique ways of dealing with it
The teeth of <i>Galagadon nordquistae</i> were discovered in the rock that once surrounded the famous <i>T. rex</i> skeleton.
OroBOT, a robot version of an ancestor to the dinosaurs, is helping fill in some gaps in the evolution of walking
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