Deep Time Hub: At the Smithsonian

The Irish elk, or Megaloceros giganteus, ranged across northern Eurasia from Siberia to Ireland and shed its giant antlers every year. It is on display in the David H. Koch Hall of Fossils—Deep Time at the Smithsonian’s National Museum of Natural History.

Biggest. Antlers. Ever. Meet the Irish Elk

On view at the Smithsonian's Natural History Museum, this specimen of the extinct species unlocks an evolutionary mystery

At Agate Fossil Beds National Monument near the town of Harrison, Nebraska, visitors can view in the outcropping a curious spiral-shaped fossil called Daimonelix, also known as Devil's Corkscrew.

How Scientists Resolved the Mystery of the Devil's Corkscrews

Smithsonian paleontologist Hans-Dieter Sues tells the tale of a fossil find that bedeviled early 20th-century researchers


Reflections on the New Fossil Hall From the Experts Who Created It

The team behind the Smithsonian's new dinosaur and fossil hall reflect on what "deep time" means to them.

The sequoia tree slab is an invitation to begin thinking about a vast timescale that includes everything from fossils of armored amoebas to the great Tyrannosaurus rex.

A 16-Million-Year-Old Tree Tells a Deep Story of the Passage of Time

To explain the exceedingly long life of the planet, the Smithsonian’s new fossil hall designers began with this arboreal wonder

The nuance of the new exhibition, "Fossil Hall—Deep Time," plays out in elaborate art, entertaining digital displays and magnificent fossil displays. But don't miss the small stuff.

Here Are 12 Things You Might Miss in the Smithsonian's New Fossil Hall

Hidden among the dinosaurs and megafauna, are these small details that make "Deep Time" all the more impressive

The meat-eating predator Ceratosaurus tried to take down Stegosaurus, but the plant-eater got away and gained the upper hand.

Meet the Dinos of ‘Deep Time’

Of the 700 specimens that roam the Smithsonian’s new Hall of Fossils, these six standout dinosaurs make a big impression

T. rex moves in for the kill on a doomed Triceratops—an herbivore that existed mainly on a diet of 
palm fronds.

The 'Nation's T. Rex' Prepares to Make Its Smithsonian Debut

In a new exhibit about "deep time" at the National Museum of Natural History, <em>T. rex</em> is still the king

Artist Gary Staab assembles the massive megalodon. A scale model at the bottom right shows what the finished creature will look like.

Reimagining the Megalodon, the World's Most Terrifying Sea Creature

The ancient beast of the oceans comes to life in a new display at the National Museum of Natural History

The fossil Eremotherium was from south Georgia. And it was an important one, since it firmly establish the presence of the giant ground sloth, which had previously been unknown in the United States.

A Giant Sloth Mystery Brought Me Home to Georgia

A new book from former Smithsonian Secretary Wayne Clough describes his journey into the collections in search of connections to his heritage

Colors in nature can be produced by both pigments that absorb some light and microscopic structures that change the wavelength of light.

How Do Scientists Know What Colors Prehistoric Animals Were?

Fossil expert Maria McNamara explains how paleontologists are starting to investigate the hues of the past

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