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This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.
New Clues to Compositions of TRAPPIST-1 PlanetsFeb. 6, 2018
Artist concept of the New Horizons spacecraft.
Gravity Assist: The Kuiper Belt with Alan SternFeb. 6, 2018
Proposed formamide synthesis and concentration process, depicting localized production and concentration of formamide (HCONH2) near radioactive mineral deposits on terrestrial surface environments.
Life without Water?Feb. 5, 2018
Example of visualizing molecular distributions of biomaterials using mass spectrometry imaging.
A Review of Mass Spectrometry Imaging TechniquesFeb. 2, 2018
Nigel Goldenfeld (left) and Chi Xue (right) have developed a model that reveals an 'arms race' between bacteria and viruses that may help to solve the diversity paradox.
A Virus-Bacteria Coevolutionary 'Arms Race' Solves the Diversity ParadoxFeb. 1, 2018
The 69th International Astronautical Congress (IAC) will be held in Bermen, Germany.
NASA Participation in the 69th International Astronautical Congress (IAC)Jan. 31, 2018
General image of astrobiology research projects. Images from the archives of NASA Ames and NASA JPL/CalTech.
Upcoming Astrobiology Funding OpportunitiesJan. 31, 2018
Martin Van Kranendonk, who is Director of the Australian Center for Astrobiology, doing field work in the Pilbara.
Australian Center for AstrobiologyJan. 31, 2018
Timothy Lyons is a distinguished professor of biogeochemistry in the Department of Earth Sciences.
Astrobiologist Receives Honorary Appointment at the University of St. AndrewsJan. 30, 2018
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.
Ligands and Chromium Isotope FractionationJan. 30, 2018
Artist illustration of the early Earth.
New Theory on the Origin of Life on EarthJan. 29, 2018
Artist’s illustration of two Earth-sized planets, TRAPPIST-1b and TRAPPIST-1c, passing in front of their parent red dwarf star, which is smaller and cooler than our sun. NASA’s Hubble Space Telescope looked for signs of atmospheres around these planets.
False Positives, False Negatives; The World of Distant Biosignatures Attracts and ConfoundsJan. 29, 2018
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Concept Art of a Mars Mission.
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DNA Traveling through Space.
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