The architecture of deep time
Surviving the great dyings
Ancient climates and changing worlds
The library of 148 million secrets
streetspirit The Smithsonian Institution keeps its massive scientific collection in restricted research vaults.
streetspirit Dome-shaped stromatolites covered in dark microbial mats rise from a sandy seabed
streetspirit The Archaeopteryx fossil shows a transition of feathers and skeletal features.
Deep time: Author John McPhee coined this famous phrase in 1981 to help us grasp the billions of years of Earth's history now preserved in the Smithsonian's vaults.
streetspirit Feather impressions and a dinosaur-like skeleton stand out against the Bavarian limestone.
The David H. Koch Hall of Fossils at the Smithsonian is dedicated to exploring which scientific concept?
What evolutionary group do modern birds belong to, as proven by fossils in the Smithsonian?
streetspirit Sort fossils into rock layers to discover how Earth survived before humans existed.
streetspirit The Smithsonian's Archaeopteryx cast shows the transitional moment when dinosaurs evolved wings.
Which geological formation in Wyoming provides the Smithsonian with highly detailed Eocene fossils of fish and plants?
Who coined the term 'deep time' in 1981 to describe Earth's multi-billion-year history?
streetspirit The Architecture of Deep Time
The planet lived before we came (oh yeah!) / Written in the bone and stone (so deep!)
streetspirit Fossilized lake beds from Wyoming reveal a highly detailed 50-million-year-old ecosystem.
What type of organism created the ancient stromatolites that oxygenated Earth's atmosphere?
Where was the famous Archaeopteryx fossil, which connects dinosaurs to birds, discovered?
Ancient raindrops: Fossilized rain imprints from 2.7 billion years ago help scientists calculate the density of Earth's early atmosphere.
streetspirit Fossilized stromatolites represent the earliest physical evidence of life on Earth.
Approximately what percentage of the Smithsonian's total natural history collection is on public display?
How old are the fossilized stromatolites from Western Australia in the Smithsonian's collection?
The multimillion-year time scale of Earth's geologic history. The Smithsonian's renovated Beaux-Arts hall reopened in 2019 to display this vast geologic history.
