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Close-up view of layered sedimentary rocks representative of those used in this study. Each layer records a snapshot of the Earth system over millions to billions of years.
A Study on Carbon Contamination in Rock SamplesSept. 20, 2018
The gold-plated Sample Analysis on Mars contains three instruments that make the measurements of organics and methane.
A Biosignatures for Iron-Oxidizing MicroorganismsSept. 18, 2018
An artist’s impression of early Earth, where the first simple proteins may have formed.
Rapidly Screening Model Prebiotic PeptidesSept. 17, 2018
Artist’s concept of NASA’s OSIRIS-REx spacecraft preparing to take a sample from asteroid Bennu.
Studying the Origins of Antarctic MicrometeoritesSept. 14, 2018
Artist impression of solar system formation.
How Phosphorus Came In from the ColdSept. 13, 2018
The early Earth was a hellish place, pummeled by meteors and a choking atmosphere, and yet somehow life got a grip there.
Pieces of the Puzzle in the Origin of LifeSept. 12, 2018
Gemini South telescope
Upgrading the Gemini Planet ImagerSept. 11, 2018
The National Academies of Science, Engineering and Medicine took an in-depth look at what NASA, the astronomy community and the nation need to grow the burgeoning science of exoplanets — planets outside our solar system that orbit a star.
A National Strategy for Finding and Understanding ExoplanetsSept. 10, 2018
The first clear image of a planet caught while being formed, around the dwarf star PDS 70. The planet is visible as a bright point to the right of center. The star at the center is blacked out by a coronagraph mask that blocks its blinding light.
Planet Formation Caught in the ActSept. 6, 2018
An oxygenated Earth is vital for the evolution of complex life.
Did Earth's Oxygen Increased in Gradual Steps Rather than Big Bursts?Sept. 5, 2018
Artist concept shows a hypothetical water-covered planet around the binary star system of Kepler-35A and B.
Habitability of Water WorldsSept. 4, 2018
This artist's concept is one interpretation of what it could look like to be standing on the surface of the exoplanet TRAPPIST-1f.
Exoplanet Science Strategy Public Briefing and WebcastSept. 4, 2018
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Concept Art of a Mars Mission.
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DNA Traveling through Space.
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