Search

Showing results for

Content type

Article Type

Topics

Tags

An artistic rendering of an ocean landscape as it may have looked during the Archean Eon.
Photo

The Archean Eon (4,600 – 2,500 Million Years Ago)

View Image
This jellyfish fossil is from the Cambrian period, more than 500 million years ago.
Photo

Fossil Jellyfish

View Image
A 3-D reconstruction of the skull of a fin whale fetus.
Photo

3-D Reconstruction Of Fin Whale Skull

View Image
This 1890 painting of Charles Darwin is on display at the Turin Museum of Human Anatomy.
Photo

Charles Darwin

View Image
Spinner dolphins in a small inlet off the Kona coast, Hawaii.
Article

Solidifying the Dolphin Family Tree

Read the Full Article
X-ray image of a longnose butterflyfish
Photo

X-Ray Image of a Longnose Butterflyfish

View Image
X-ray image of a slender snipe eel
Photo

X-Ray Image of a Slender Snipe Eel

View Image
Jorge Velez-Juarbe, predoctoral fellow in the Department of Paleobiology at the Smithsonian's National Museum of Natural History
Photo

Jorge Velez-Juarbe

View Image
An artistic rendering of an ocean landscape as it may have looked during the Archean Eon.
Slideshow

The Ocean Throughout Geologic Time, An Image Gallery

See the Full Slideshow
In the X-ray image of this Viper Moray Eel (Enchelynassa canina), note the second set of jaws in the “throat”; these are the gill arches, which are present in all fish.
Photo

X-Ray Image of a Viper Moray Eel

View Image
X-ray image of a long-spined porcupine fish
Photo

X-Ray Image of a Long-Spined Porcupine Fish

View Image