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Artist's illustration of NASA’s Europa Clipper spacecraft, which will perform multiple flybys of the ocean-harboring Jupiter moon.
Tidal Heating on Icy MoonsJan. 13, 2020
The Tonian Period is the earliest of the Neoproterozoic Era and lasted from approximately 1 billion to 720 million years ago. The Tonian occurred between the Stenian Period of the Mesoproterozoic Era, and the Cryogenian Period of the Neoproterozoic Era.
Tonian Transitions in Earth's Marine BiosphereJan. 9, 2020
Periods of increased rates of impacts could have instigated a dramatic shift in climate and environment that helped spur the formation of life on Earth.
Primordial Organic Matter in the Zag MeteoriteJan. 8, 2020
TOI 700, a planetary system 100 light-years away in the constellation Dorado, is home to TOI 700 d, the first Earth-size habitable-zone planet discovered by NASA's Transiting Exoplanet Survey Satellite.
NASA Planet Hunter Finds Earth-Size Habitable-Zone WorldJan. 7, 2020
Shimmering hot waters of a hydrothermal vent at the Von Damm vent field, Carribean Sea, Mid-Cayman RIse. Numerous shrimp are seen in the image.
Feeding Chemosynthetic Microorganisms around Hydrothermal VentsJan. 7, 2020
Conceptual image of water-bearing (left) and dry (right) exoplanets with oxygen-rich atmospheres. Crescents are other planets in the system, and the red sphere is the M-dwarf star around which the exoplanets orbit.
New Technique May Give NASA’s Webb Telescope a Way to Quickly Identify Planets with OxygenJan. 6, 2020
Extremophiles, such as the thermophiles that give the microbial mats such vivid colors in the hot springs in Yellowstone National Park, are a hot topic of study amongst astrobiologists in the UK.
Insight into Archaea-Virus InteractionsJan. 6, 2020
Del Genio, second to the left, and colleagues of the NASA ROCKE-3D NExSS team at their first team meeting at GISS in 2015.
Using Climate Science on Earth to Understand Planets Beyond EarthJan. 3, 2020
HR 5183 b is a gas giant exoplanet that orbits a G-type star. Its mass is 3.23 Jupiters, it takes 74 years to complete one orbit of its star, and is 18 AU from its star. Its discovery was announced in 2019.
A Wrecking Ball in the HR 5183 SystemDec. 27, 2019
Diagram of a simple peptide chain. Peptides are compounds made up of two or more amino acids linked together. Different amino acid residues are represented by 'R.'
New Method for Peptide StudiesDec. 26, 2019
Sunlight fuels most of today’s life and likely aided in the development of larger, complex molecules necessary for primitive life. Pictured is the Earth as seen from the International Space Station.
Ocean Anoxia during a Biocrisis on the Ancient EarthDec. 24, 2019
A new study shows that changes in the oxygen content at the ocean's surface may have led to an extinction event at the end of the Triassic.
Dusty Iron in the Ancient OceansDec. 23, 2019
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