Homepage
Open in app
Sign in
Get started
Earth Blog
Ecology
Geology
Climate
Oceans
About
Forgotten Origins
DropStone
Forgotten Origins
Water From Cosmic Debris Supports Life
Water From Cosmic Debris Supports Life
Setting the Stage for Our Biosphere 4.5 Billion Years Ago
William House
Oct 6, 2021
Water Created by the Sun
Water Created by the Sun
New Ideas on the Origin of Earth’s Water
William House
Dec 6, 2021
Building Blocks of Life
Building Blocks of Life
The Party Begins
William House
Dec 8, 2021
An Existential View of Climate Change
An Existential View of Climate Change
Life Survives, But Will We?
William House
Dec 11, 2021
Abiogenesis Jumpstarts Evolution
Abiogenesis Jumpstarts Evolution
The Rise of the Cell
William House
Dec 18, 2021
The Rise and Fall of a Chemosynthetic Empire
The Rise and Fall of a Chemosynthetic Empire
The Biosphere’s Earliest Footprint
William House
Dec 25, 2021
A Blue-Green Revolution
A Blue-Green Revolution
Genesis of the Planet’s Oxygen
William House
Dec 29, 2021
Life Takes Another Leap Forward
Life Takes Another Leap Forward
Hints of Free Oxygen on the KaapVaal Craton
William House
Jan 1, 2022
Banded Iron Formations
Banded Iron Formations
Telling the Story of Earth’s Oxygen
William House
Jan 10, 2022
Missing Oxygen
Missing Oxygen
Why Did Earth’s Oxygenation Take So Long?
William House
Jan 12, 2022
Eukaryotes
Eukaryotes
The Rise of Complex Life
William House
Jan 26, 2022
Eukaryotes and Oxygen
Eukaryotes and Oxygen
An Evolutionary Connection
William House
Jan 29, 2022
About EarthSphere
Latest Stories
Archive
About Medium
Terms
Privacy
Teams