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1-2 centimetre-wide <em>Aspidella</em> discs (and some smaller mm-sized individuals) on a bedding surface of the Fermeuse Formation near Ferryland, Newfoundland.
Geochemical Study of Ediacara BiotaOct. 19, 2017
The Moderate Resolution Imaging Spectradiometer (MODIS) instrument aboard NASA's Aqua satellite captured this mostly cloud-free visible image of Japan on April 5, 2011.
Draft Genomes of Microbes from Japanese Hot SpringsOct. 18, 2017
When haze built up in the atmosphere of Archean Earth, the young planet might have looked like this artist’s interpretation — a pale orange dot.
Early Earth, Warm or Cold?Oct. 17, 2017
Chile's Atacama Desert is the driest non-polar desert on Earth -- and a ready analog for Mars' rugged, arid terrain.
Preservation of Functionalized Lipid Biomarkers in Hyperarid SoilsOct. 16, 2017
The thin line of Earth's atmosphere and the setting sun are featured in this image photographed by the crew of the International Space Station while space shuttle Atlantis on the STS-129 mission was docked with the station.
Why Do We Orbit a Yellow Star?Oct. 16, 2017
This artist's concept shows the silhouette of a rocky planet, dubbed HD 219134b. At 21 light-years away, the planet is the closest outside of our solar system that can be seen crossing, or transiting, its star.
Resolving Orbital and Climate Keys of Earth and Extraterrestrial EnvironmentsOct. 13, 2017
Fundamental work on RNA is intended to help assist with probing life’s origins.
Insights into RNA PolymeraseOct. 11, 2017
Core Program: Emerging Worlds. This is an artist's impression of innumerable Earth-like planets that have yet to be born.
Modeling Climate and Habitability on Earth-like ExoplanetsOct. 9, 2017
Screenshot from the Life Underground Game where students take the role of investigators of extreme subsurface environments looking for microbial life.
Middle School Teacher Reviewers Needed - Online Astrobiology "Game"Oct. 6, 2017
Masashi Aono, left, in the radiation room at the Tokyo Institute of Technology where his team produced formamine by exposing chemicals to radiation.
Water can be Corrosive to Life, so what about Alternative Solvents?Oct. 5, 2017
A time-lapse view of the 2009 Perseid meteor shower.
New Information about Accretion Processes in the Early Solar SystemOct. 4, 2017
This artist’s impression shows an imagined view from the surface one of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth that were discovered using the TRAPPIST telescope at ESO’s La Silla Observatory.
Habitability in the TRAPPIST-1 SystemOct. 2, 2017
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DNA Traveling through Space.
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