Atmospheric chemical disequilibrium has been proposed as a method for detecting extraterrestrial biospheres from exoplanet observations. Chemical disequilibrium is potentially a generalized biosignature since it makes no assumptions about particular […]
astrobiology
Posted inNASA Astrobiology Program, Press Release
NASA Seeks New NASA Astrobiology Institute Director
NASA seeks a new Director for the NASA Astrobiology Institute (NAI). The ideal candidate will be an internationally recognized scientist with proven experience in leading or managing large interdisciplinary research […]
Posted inAstrobiology (general), Courses
Online Course: Astrobiology and the Search for Extraterrestrial Life
Astrobiology and the Search for Extraterrestrial Life by The University of Edinburgh. Self-paced online course. Statement of Accomplishment: None. Subtitles: English. Learn about the origin and evolution of life and […]
Posted inMars
Potential Signs of Ancient Life in Mars Rover Photos?
Old Dominion University faculty member Nora Noffke has made a name for herself as a geobiologist during the past decade by producing sedimentary evidence that prokaryote biofilms existed on Earth […]
Posted inMars
Curiosity Finds Active, Ancient Organic Chemistry on Mars
NASA’s Mars Curiosity rover has measured a tenfold spike in methane, an organic chemical, in the atmosphere around it and detected other organic molecules in a rock-powder sample collected by […]
Posted inAstrochemistry, Origin & Evolution of Life
Nuclear Fragments Could Help Uncover Origins of Life-supporting Planets
New research published today in the journal Physical Review Letters describes how recreating isotopes that occur when a star explodes, can help physicists understand where life-supporting elements may be found […]
Posted inEuropa, Press Release, Video, Audio, Webcasts, Podcasts
NASA Video: Europa: Ocean World
Scientists believe there is an ocean hidden beneath the surface of Jupiter’s moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists are so excited about the potential of this ice-covered […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Dale Andersen's Field Reports, Exploration Gear & Tech, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report
Dale Andersen's Field Reports: Lake Untersee, Antarctica 15 November 2014
On The Road to Lake Untersee: We are completely packed up now, using the Everest tracked vehicle, pulling two sleds behind it. The first sled has most of our gear, […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Icy Worlds, Robotics/Rovers/UAVs, ROVs/Submersibles/Diving, Status Report, Water/Hycean Worlds & Oceanography
Astrobiologist Dale Andersen’s Field Report: Lake Untersee, Antarctica 15 November 2014
On The Road to Lake Untersee
Posted inDale Andersen's Field Reports
Dale Andersen's Field Reports: Lake Untersee, Antarctica 10 November 2014
The team is on the ice, having arrived ok at Novolazarevskaya Station yesterday afternoon. We had a solid day of work today getting gear together; the snowmobiles are now up […]