General Meeting of the NASA Astrobiology Insititute, Carnegie Institution of Washington, Washington D.C., April 10-12, 2001
2001
Posted inCourses, Press Release
Back-to-School Time for Astrobiologists
When NASA’s Pathfinder mission landed on Mars in 1997, public interest soared. The space agency was nearly overwhelmed by phone calls and emails from citizens who wanted to know what […]
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 inAstrogeology, Biosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids
NASA Announces New Evidence Regarding Past Life on Mars
Today, a team of NASA scientists is announcing that they have determined that small magnetite crystals in the now-famous ALH84001 Martian meteorite were almost certainly produced by living organisms – […]
Posted inAstrochemistry, Astrogeology, Comets and Asteroids, Meteorites & Asteroids, Origin & Evolution of Life, Panspermia, Press Release
New Analysis of Meteorite Shows Key Ingredients for Life on Earth May Have Been Delivered by Comets
An object that fell to Earth more than 136 years ago has revealed new clues about the origin of meteorites in space and new information about how life may have […]
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.
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Imaging & Spectroscopy, Meteorites & Asteroids, Microbiology & Virology, Panspermia
4 Years Later … The Case For Life On Mars Withstands Criticism, Gains Support
The editors of Precambrian Research and the team that startled the scientific world in August 1996 with evidence they had found in a Martian meteorite indicating that life once existed […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Press Release
New Evidence Strengthens Claims of Ancient Life on Mars – Study of Martian Meteorite Reveals Magentic Fossils
Researchers have found magnetic material in a 4.5-billion-year-old Martian meteorite that could only have been produced by bacteria. This new data strongly supports the primitive life on Mars hypothesis of […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Interstellar, Origin & Evolution of Life, People Of Astrobiology, Press Release
Scientists find clues that the path leading to the origin of life begins in deep space
Duplicating the harsh conditions of cold interstellar space in the laboratory, scientists from The Astrochemistry Laboratory at NASA’s Ames Research Center and the Department of Chemistry and Biochemistry at The […]