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Dickinsonia is a genus of iconic fossils of the Ediacaran biota.
Elevated Oxygen and the Rise of AnimalsOct. 4, 2018
A 700g individual of the NWA 869 meteorite. Chondrules and metal flakes can be seen on the cut and polished face of this specimen.
Impact Experiments on a Chondrite MeteoriteOct. 3, 2018
Viking 2 looks out across Utopia Planitia. A recent re-analysis of Viking’s data showed that it had detected perchlorates.
Chlorate-Rich Soil May Help Us Find Liquid Water on MarsOct. 2, 2018
To test techniques for searching for life on Mars, samples have been collected from the Atacama desert in Chile as part of the European Research Consortium's Habitability of Martian Environments (HOMES) grant.
The Dry Limit of Life in the AtacamaOct. 1, 2018
A group of engineers and technicians watch as the Mars Reconnaissance Orbiter is lifted in a cleanroom at Lockheed Martin in Littleton, Colorado during the orbiter's assembly, test and launch operations phase.
Genome Comparison of Spore-forming Bacteria from Spacecraft CleanroomsSept. 28, 2018
What the world looked like 250 million years ago.
Global Warming at the Permian-Triassic BoundarySept. 27, 2018
A nighttime view of Western Europe is captured by crew members aboard the International Space Station. England is in the top right, Paris is the bright city near the middle. Belgium and the Netherlands occupying the middle-right of frame.
New European Ventures in Planetary Science and AstrobiologySept. 26, 2018
Artist impression of NASA's Cassini spacecraft dives through the plume of Saturn's moon Enceladus in 2015.
Organic Compounds from the Depths of EnceladusSept. 26, 2018
NASA engineer Ernie Wright looks on as the first six flight ready James Webb Space Telescope primary mirror segments are prepped to begin final cryogenic testing at NASA's Marshall Space Flight Center. Credit: NASA/MSFC/David Higginbotham
Inferring Planetary and Stellar Properties in SpectraSept. 25, 2018
A sample of the Murchison meteorite, which fell in Australia in 1969 and which contains various organic molecules that may hint at the origin of life.
Low-Voltage Analysis of Presolar MaterialSept. 24, 2018
This artist's concept appeared on the Feb. 23, 2017 cover of the journal Nature announcing that the nearby star TRAPPIST-1, an ultra-cool dwarf, has seven Earth-sized planets orbiting it.
Exoplanet Science StrategySept. 21, 2018
Which molecules formed RNA, and can we use them to identify where life may form in the Universe?
New Study Identifies Possible Ancestors of RNASept. 21, 2018
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