Imagine a world without liquid water just solid ice in all directions. It would certainly not be a place that most life forms would like to live. And yet our […]
snowball earth
Posted inBiogeochemical Cycles & Geobiology, Cryobiology, Extinction events, Fossils & Paleontology, Icy Worlds, Status Report
Fossils Explain How Life Coped During Snowball Earth
Researchers have discovered what they think are fossils of a unique red algae species that lived about 650 million years ago during a brief respite between some of the most […]
Posted inHabitable Zones
Understanding Snowball Earth
During vast ice ages millions of years ago, sheets of glaciers stretched from the poles almost to the equator, covering the Earth in a frozen skin. Conditions on the “snowball […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Gaia - Planetary Perspectives, Icy Worlds, Press Release
Early Earth May Have Been Prone to Deep Freezes
Two University of Colorado Boulder researchers who have adapted a three-dimensional, general circulation model of Earth’s climate to a time some 2.8 billion years ago when the sun was significantly […]