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Sulfur chemistry was vital for early anaerobic life in the Archean eon, over 2.5 billion years ago.
How Sulfur Helped Make Earth Habitable Before the Rise of OxygenJune 4, 2019
The 2019 Astrobiology Science Conference will be held in Seattle, Washington, from June 24-28, 2019.
NASA Astrobiology Media Workshop - "Life Detection: How Do We Do It?"June 3, 2019
This artist's concept shows the silhouette of a rocky planet, dubbed HD 219134b. At 21 light-years away, the planet is the closest outside of our solar system that can be seen crossing, or transiting, its star.
National Colloquium by Dr. Thomas H. ZurbuchenJune 3, 2019
Scientist-astronaut Harrison H. Schmitt, Apollo 17 lunar module pilot, collects lunar rake samples at Station 1 during the mission's first spacewalk at the Taurus-Littrow landing site. Photo by commander Eugene A. Cernan.
Restoring Data from the Apollo MissionsJune 3, 2019
What the Moon may have looked like with an early magma ocean.
Improving Methods for Analyzing Potassium IsotopesJune 2, 2019
An artist’s rendering shows a planetary collision near the star Vega. The Moon may have formed from the debris of such an impact between Earth and a Mars-sized body.
When Protoplanets CollideJune 1, 2019
Cross-polarized light thin section of NWA 7325. Width of field = 5 mm
A Meteorite's Story of Complex Planetary ProcessesMay 31, 2019
Artist's conception of the dust and gas surrounding a newly formed planetary system.
Tracing Meteorites to the Solar NebulaMay 30, 2019
Hydrothermal system at Ethiopia’s Danakil Depression, where uniquely extreme life persists in salt chimneys and surrounding water. Yellow deposits are a variety of sulphates and red areas are deposits of iron oxides. Copper salts color the water green.
The Message of Really, Really Extreme LifeMay 29, 2019
Diopatra cuprea parchments exposed during low tide. Examples of tube openings are indicated with white arrows. Examples of parchment that extend above the sediment– water interface are indicated with black arrows.
Burrowing in Shallow Marine SedimentsMay 29, 2019
The Santa Fe Institute presents a new, free online course - Origins of Life. Instruction begins June 14, 2019.
Origins of Life: Free Online CourseMay 28, 2019
Our solar system's giants, Jupiter (left) and Saturn (right).
Meteor Magnets in Outer SpaceMay 24, 2019
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