Extremeophiles and Extreme Environments
Oil- and metal-munching microbes dominate deep sandstone formations 
Halomonas are a hardy breed of bacteria. They can withstand heat, high salinity, low oxygen, utter darkness and pressures that would kill most other organisms.
Field Reports
Dale Andersen's Antarctic Field Report 14 December 2013
The Everest tracked vehicle is here with a nice large sled in the back and a cabin attached.
Europa and Icy Moons
Transient Water Vapor at Europa's South Pole
In November and December 2012 the Hubble Space Telescope maged Europa's ultraviolet emissions in the search for vapor plume activity.
Field Reports
Dale Andersen's Antarctic Field Report 13 December 2013
We have completed our work here at Lake Obersee, accomplishing most all of our objectives despite a late start due to stormy weather.
Impact events
Mapping the Demise of the Dinosaurs
About 65 million years ago, an asteroid or comet crashed into a shallow sea near what is now the Yucatan Peninsula of Mexico.
Europa and Icy Moons
Europa Beckons
In light of today's announcement that Europa is likely spouting its vaporized ocean water into space, The Planetary Society calls on the White House and Congress to approve a new mission to explore this enigmatic moon of Jupiter to better understand its potential to support life.
Europa and Icy Moons
Clay-like Minerals Found on Icy Crust of Europa
A new analysis of data from Galileo has revealed clay-type minerals at the surface Europa that appear to have been delivered by a spectacular collision with an asteroid or comet.
Europa and Icy Moons
Hubble Sees Evidence of Water Vapor Venting off Europa
Hubble has observed water vapor above the frigid south polar region of Jupiter's moon Europa, providing the first strong evidence of water plumes erupting off the moon's surface.
Extrasolar Planets
The Puzzling Chemical Composition of GJ 436b's Atmosphere
The dissipation of the tidal energy deposited on eccentric planets may induce a heating of the planet that affects its atmospheric thermal structure.
Field Reports
Dale Andersen's Antarctic Field Report 10 December 2013
I just got off the phone with Dale Andersen who is at Lake Obersee, Antarctica.
Astrochemistry
The Feedback of Massive Stars on Interstellar Astrochemical Processes
Astrochemistry is a discipline that studies physico-chemical processes in astrophysical environments.
More top stories from December.
Recent Releases
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