Wyoming’s “dinosaur mummies,” once thought to preserve fossilized flesh, are actually detailed clay molds formed by microbes ...
A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like ...
Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their ...
Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...
The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...
The rover’s science instruments found that the formation’s sedimentary rocks are composed of clay and silt, which, on Earth, are excellent preservers of past microbial life. The findings were made ...
Stones hold time. Some are formed by the sudden solidification of magma, like basalt, whose dense structure and dark color result from rapid cooling at the surface. Others, such as granite, are born ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
The story of Earth is the story of change. The 4.5 billion years of this planet’s history saw it transformed from a hellish world of magma oceans and poisonous air to a temperate, habitable home ...
This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
The question of when life began on Earth is as old as human culture. “It’s one of these fundamental human questions: When did life appear on Earth?” said Professor Martin Whitehouse of the Swedish ...
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