Data from Martian meteorites suggest the planet may have two hydrogen reservoirs beneath its surface, according to a recent study by NASA’s Astromaterials Exploration Research and Science (ARES) Division and […]
David McKay
Posted inMars, Press Release
4-billion-year-old Nitrogen-containing Organic Molecules Discovered In Martian Meteorites
A research team including research scientist Atsuko Kobayashi from the Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology, Japan and research scientist Mizuho Koike from the Institute of Space […]
Posted inMars, Meteorites & Asteroids, Press Release
Tales from a Martian Rock
A new analysis of a Martian rock that meteorite hunters plucked from an Antarctic ice field 30 years ago this month reveals a record of the planet’s climate billions of […]
Posted inMars, Meteorites & Asteroids
Evidence of Water in a Martian Meteorite
A team of scientists at NASA’s Johnson Space Center in Houston and the Jet Propulsion Laboratory in Pasadena, Calif., has found evidence of past water movement throughout a Martian meteorite, […]
Posted inAstrochemistry, Astrogeology, Meteorites & Asteroids, People Of Astrobiology, Status Report
Dr. David S. McKay Has Passed Away
From the NASA JSC Astromaterials Research and Exploration Science Directorate
Posted inAstrogeology, Biosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Microbiology & Virology, People Of Astrobiology, Status Report
ALH84001: The Key to Unlocking Secrets About Mars-15 Years and Counting
From the December 27, 1984 discovery of ALH84001, and its subsequent identification as a sample of Mars in 1993, mystery and debate has surrounded the meteorite [1].
Posted inAstrogeology, Biosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Press Release
Rock of Ages – A Younger ALH84001
NAI scientists from the University of Wisconsin Team and their colleagues have shown that the true age of this famous meteorite is 4.091 billion years, about 400 million years younger […]
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 inBiosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Press Release
Researchers Publish Latest Results in Continuing Search for Ancient Martian Life
In the latest study of a 4.5 billion-year-old Martian meteorite, researchers have presented new evidence confirming that 25 percent of the magnetic material in the meteorite was produced by ancient […]
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 […]