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 […]
biosignature
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, Origin & Evolution of Life, Press Release
Earth Life Appeared on Land 1.5 billion Years Earlier Than Previously Thought
Evidence of life on Earth has been found as far back as 3.8 billion years. Given that the intense bombardment that accompanied the birth of the solar system only subsided […]
Posted inAstrochemistry, Astrogeology, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Mars, Meteorites & Asteroids, Panspermia, Press Release
Doubt cast on life on Mars – University of Greenwich Reproduces Chemical Structures Found In Meteorites
The complex chemical structures found in a meteorite from Mars, which scientists in 1996 hailed as possible evidence of past life on the planet, can be reproduced quite simply in […]
Posted inAstrogeology, Biosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Press Release
New Studies Of Martian Meteorite Launched
The National Science Foundation has awarded grants for seven new projects to study Martian meteorite ALH84001 in greater depth. The grants are part of a coordinated program with NASA to […]
Posted inPress Release
Second Viking Oven May Have Failed
One of three small ovens in an experiment aboard the Viking 1 spacecraft may not be working, similar to condition on Viking 2 reported last week. Both Vikings are enroute […]
