Noted astrobiologist Imre Friedmann died yesterday morning.
Microbiology & Virology
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biophysics, Biosignatures & Paleobiology, Cryobiology, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Microbiology & Virology, Press Release
Frozen Microbes Reveal How To Test For Martian Life
“We tested equipment that we are developing to look for life on Mars and discovered a rare and complex microbial community living in blue ice vents inside a frozen volcano,” […]
Posted inArctic / Antarctic / Alpine
Kevin Hand’s Antarctic Journal 1 March 2005
Ok, well, this is it folks, one last email and then I’m on a plane back to LA. I’ve been in New Zealand for a bit and I’ve finally had […]
Posted inArctic / Antarctic / Alpine
Kevin Hand’s Antarctic Journal 8 February 2005
Hello again from Antarctica, Ok, well, I’m back at McMurdo Station. All went very well in the field – our instruments worked great, we collected lots of data, and had […]
Posted inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Cryobiology, Exploration Gear & Tech, Fossils & Paleontology, Icy Worlds, Mapping, Geodesy, Cartography, Bathymetry, Microbiology & Virology, Polar / Alpine Expeditions, Status Report, Tricorders & Sensors
Kevin Hand’s Antarctic Journal 20 January 2005
January 17th, 2005 Anticipation Comparisons of New Zealand to Purgatory are probably not that common. Nevertheless, for the past two weeks, this is exactly how it has felt. Christchurch, New […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Microbiology & Virology, Press Release
Study May Cast Doubt on Some 1996 NASA Evidence of Past Life on Mars
The scientific debate over whether a meteorite contains evidence of past life on Mars continues to intensify, with colleagues of the team that announced the possibility in 1996 revealing new […]
Posted inArctic / Antarctic / Alpine, Biosignatures & Paleobiology, Fossils & Paleontology, Meteorites & Asteroids, Microbiology & Virology, Panspermia, Status Report
Doubts About ALH84001: The JSC Mars Meteorite Team Responds
Editor’s note: the following is a response provided to SpaceRef by the JSC Mars Meteorite Team (David McKay, Kathie Thomas-Keptra, and Everett Gibson) regarding a paper “Magnetite morphology and life […]
Posted inExtremeophiles and Extreme Environments
Diversa Completes of Sequencing of Pyrolobus fumarii Genome – the World’s Highest Temperature Organism
[Diversa] Diversa Corporation today announced the completion of the sequencing of the Pyrolobus fumarii genome. The work was completed with Celera Genomics, an Applera Corporation business. The sequence of P. […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Microbiology & Virology, Status Report
Commentary by NASA ARC’s Chris McKay on Magnetotactic Bacteria on Mars
The recent paper by Imre Friedmann and co-authors in PNAS (PNAS vol 98 page 2176, 2001) reports finding chains of magnetite that are consistent with a biological origin.
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Microbiology & Virology, Status Report
NASA JSC Background Information on PNAS Mars Meteorite ALH84001 Magnetite Paper
Researchers have found small particles of a magnetic mineral called magnetite in a Martian meteorite that could only have been produced by bacteria.