Published in


Silurian Magic

Finally, a Foothold on Land

Published in The EarthSphere Blog

Silurian Sea Scorpion (ArcheanArt)


The Forgotten Origins series moves to the Silurian, where life gains a foothold on land.

A Reversal of Fortune

The Ordovician-Silurian mass extinction was one of the biosphere’s historic low points, so the Silurian Period came…




EarthSphere: The intersection of the atmosphere, hydrosphere, geosphere, and biosphere — The place where we live.

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William House

William House

Exploring relationships between people and our planet — Stories and articles promoting science, art, environmental awareness, and human insights.

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