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An artist's conception symbolically represents complex organic molecules, known as polycyclic aromatic hydrocarbons (PAHs), seen in the early universe. The large molecules, comprised of carbon and hydrogen, are thought to be among life's building blocks.
UV-Irradiated PAHs in Water IceApril 13, 2018
An artist’s impression of a ‘snowball Earth’.
How Tidally-Locked Planets Could Avoid a ‘Snowball Earth’ FateApril 11, 2018
False-color image from the Japanese Akatsuki’s IR2 camera in two wavelengths (1.74, 2.26 microns) showing Venus' night side in thermal infrared. Darker regions are thicker clouds. Changes in color can denote differences in cloud particle size/composition.
U.S. Student/Early Career Travel Support for the International Venus Conference 2018April 10, 2018
Researchers have found that a class of molecules called sulfidic anions may have been abundant in Earth’s lakes and rivers.
Mixing Up Earth's Earliest Biological Molecules in Shallow LakesApril 10, 2018
Artist impression of multicellular tissue.
From Lower- to Higher-Level OrganismsApril 10, 2018
Illustration of the Transiting Exoplanet Survey Satellite (TESS) in front of a lava planet orbiting its host star. TESS will identify thousands of potential new planets for further study and observation.
NASA Prepares to Launch Next Mission to Search Sky for New WorldsApril 9, 2018
NASA's Stardust sample return capsule successfully landed at the U.S. Air Force Utah Test and Training Range at 2:10 a.m. Pacific time (3:10 a.m. Mountain time). The capsule contains cometary and interstellar samples gathered by the Stardust spacecraft.
Comet Provides Rare Chance To Study Solar System’s OriginsApril 9, 2018
This SeaWiFS pass over the Bohai Sea. Bohai Bay is one of three bays that make up the Bohai Gulf (or Bohai Sea). The Bohai Gulf is the innermost gulf of the Yellow Sea.
Geologic Clues to Ancient ClimateApril 5, 2018
Betül Kacar in her lab.
Exobiology Postdoctoral Positions: University of ArizonaApril 4, 2018
The 2018 Fall Meeting of the American Geophysical Union (AGU) will be held in Washington D.C. from December 10th to the 14th.
AGU Session Proposals Due April 18April 3, 2018
Representation of the permeation of dipeptides across a phospholipid membrane. From Wei and Pohorille (2017).
Dipeptide Permeation of Phospholipid MembranesApril 3, 2018
The UK Centre for Astrobiology runs numerous courses, including geology courses for astronauts at the University of Edinburgh, UK. Pictured here are ESA astronauts Pedro Duque (right) and Matthias Maurer (left) with Charles Cockell (centre).
The UK Centre for AstrobiologyApril 3, 2018
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