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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.
Understanding the Architecture of TRAPPIST-1Aug. 14, 2018
Has NASA’s Curiosity rover taken dormant microbes to Mars?
Putting the Ethics into Planetary ProtectionAug. 13, 2018
This artist's animation shows a sped-up view of the EPOXI mission spacecraft during its Nov. 4, 2010 flyby of comet Hartley 2. The fluffy shell around the comet, called a coma, is made up of gas and dust that blew off the comet's core, or nucleus.
The Hyperactivity and Dust Composition of the Comet Hartley 2Aug. 13, 2018
A reconstruction of the frond-like sea creature Stromatoveris psygmoglena, which lived during the Cambrian explosion of life forms on Earth.
Piecing Together The Narrative of EvolutionAug. 10, 2018
A bridge of suspended solar material, called a solar prominence, extends over the sun's limb in this image taken by Solar Dynamics Observatory (SDO).
Prebiotic Conditions of the early Solar SystemAug. 10, 2018
The Arizona Radio Observatory (ARO) owns and operates the Submillimeter Telescope (SMT) located on Mt. Graham near Safford, Arizona.
Phosphorus-Bearing Molecules in Oxygen-Rich Circumstellar EnvelopesAug. 9, 2018
Artist impression of a strand of DNA.
Chimeric XNA ‐ Designing Unconventional Information SystemsAug. 8, 2018
A December 2007 artist conception of the James Webb Space Telescope in space. Credit: NASA
The Search for Life: Utilizing Science to Explore our Solar System and Make New DiscoveriesAug. 7, 2018
View of Roy Hill from the site of the Jeerinah Formation in Western Australia.
Oxygen levels on early Earth rose and fell several times before the successful Great Oxidation EventAug. 7, 2018
The headquarters of the Centro de Astrobiología in Madrid, Spain.
Spain’s Centro de AstrobiologíaAug. 7, 2018
Stromatolites are one of the oldest ecosystems on Earth. These structures are made by the activities of microbes.
What are Stromatolites?Aug. 6, 2018
Eric Boyd of Montana State University.
Eric Boyd: National Geographic Yellowstone LiveAug. 4, 2018
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Earth Water from Space.
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Upclose shot of NASA Satellite.
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Concept Art of a Mars Mission.
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DNA Traveling through Space.
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