The Neoproterozoic Earth experienced at least two global-scale glaciations termed Snowball Earth events. ‘Cap carbonates’ were widely deposited after the events, but controversy surrounds their origin. Here, we apply the […]
geochemistry
Posted inAstrochemistry
What's Happening In The Depths Of Distant Worlds?
The physics and chemistry that take place deep inside our planet are fundamental to the existence of life as we know it. But what forces are at work in the […]
Posted inAstrogeology, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Habitable Zones, Origin & Evolution of Life, Press Release
Geoastronomy: Rocky Planets As The Lavosier-Lomonosov Bridge From The Non-living To The Living World
Life on Earth emerged at the interface of the geosphere, hydrosphere and atmosphere. This setting serves as our basis for how biological systems originate on rocky planets. Often overlooked, however, […]
Posted inBiogeochemical Cycles & Geobiology, Press Release
When Water Met Iron Deep Inside the Earth
Reservoirs of oxygen-rich iron between the Earth’s core and mantle could have played a major role in Earth’s history, including the breakup of supercontinents, drastic changes in Earth’s atmospheric makeup, […]
Posted inBiochemistry & Organic Chemistry, Biosignatures & Paleobiology, Mars, Missions & Hardware, Press Release, Robotics/Rovers/UAVs, Tricorders & Sensors
Martian Salts Must Touch Ice to Make Liquid Water, Study Shows
In chambers that mimic Mars’ conditions, University of Michigan researchers have shown how small amounts of liquid water could form on the planet despite its below-freezing temperatures.
Posted inAstrochemistry, Biogeochemical Cycles & Geobiology, Genomics, Proteomics, Bioinformatics
Bacteria Get New Badge as Planet's Detoxifier
A study published this week in PLOS ONE authored by Dr. Henry Sun and his postdoctoral student Dr. Gaosen Zhang of Nevada based research institute DRI provides new evidence that […]