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How atmospheric thermal tides create bulges in the atmosphere. The example depicted here is of Mars.
How life could help atmospheric tides slow a planet’s rotationOct. 31, 2018
Side-by-side comparison of RNA and DNA for context.
Transformation in Nucleoside AnaloguesOct. 30, 2018
The 2019 Astrobiology Science Conference will be held in Seattle, Washington, from June 24-28, 2019.
The Search for Life Near and FarOct. 29, 2018
Fragment of the Acasta Gneiss formation in Canada’s Northwestern Territories, which contains the oldest known exposed rock in the world. Could carbon sequestered in such rocks reveal the existence of asteroid impacts that caused evolutionary bottlenecks?
How Geology Tells the Story of Evolutionary Bottlenecks and Life on EarthOct. 27, 2018
Artist’s impression of RNA.
RNA, Fe2+, and the Origins of LifeOct. 26, 2018
Image for Article 3
Transcriptomic Responses of a Microbe Under Simulated Martian ConditionsOct. 25, 2018
Earth as seen from the International Space Station.
Cycling Sulfur in the Early TriassicOct. 24, 2018
Habitable exoplanets where life uses the purple-pigmented retinal to provide metabolic energy from sunlight could have as drop-off in green light when viewed spectroscopically.
Was Life on the Early Earth Purple?Oct. 23, 2018
Artist illustration of the BepiColombo orbiters, MIO and Bepi, around Mercury.
BepiColombo Launches For MercuryOct. 22, 2018
This is an artist's concept of the Stardust spacecraft beginning its flight through gas and dust around comet Wild 2. Stardust found glycine in some of the samples it collected. Credit: NASA/JPL
GEMS‐like Objects in Stardust SamplesOct. 22, 2018
The Astrobiology Science Strategy for the Search for Life in the Universe from the National Academy of Sciences Engineering and Medicine (NAS) was released on October 10, 2018.
Video Available: Astrobiology Science StrategyOct. 19, 2018
An artistic depiction of the Habitable Exoplanet Observatory and an accompanying starshade.
Science Strategies Chart Course for Detecting Life on Other WorldsOct. 19, 2018
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Concept Art of a Mars Mission.
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DNA Traveling through Space.
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