Physicists from the Technical University of Munich (TUM) have succeeded in detecting a time-resolved supernova signal in the Earth’s microfossil record. As the group of Prof. Shawn Bishop could show, […]
Fossil
Posted inFossils & Paleontology, Press Release
550 Million Year Old Fossils: New Clues About Fossil Formation
A new study from University of Missouri and Virginia Tech researchers is challenging accepted ideas about how ancient soft-bodied organisms become part of the fossil record. Findings suggest that bacteria […]
Posted inFossils & Paleontology, Origin & Evolution of Life, Press Release
New Evidence of Ancient Multicellular Life Sets Evolutionary Timeline Back 60 Million Years
A Virginia Tech geobiologist with collaborators from the Chinese Academy of Sciences have found evidence in the fossil record that complex multicellularity appeared in living things about 600 million years […]
Posted inFossils & Paleontology
Fossilized Embryos More Than 500 Million Years Old
The Cambrian Period is a time when most phyla of marine invertebrates first appeared in the fossil record. Also dubbed the “Cambrian explosion,” fossilized records from this time provide glimpses […]
Posted inBiosignatures & Paleobiology, Fossils & Paleontology, Genomics, Proteomics, Bioinformatics, Mars, Plant Biology
Ancient Cellular Fossils: Indications Of What May Wait on Mars?
When we send probes to other worlds (such as Mars) to look for evidence of past life, we are sending them to look for fossils. Often times a fossil preserves […]
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 inAnalog Studies, Arctic / Antarctic / Alpine, Away Teams & Field Reports, Biosignatures & Paleobiology, Cryobiology, Dale Andersen's Field Reports, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Microgravity, Status Report
Dale Andersen’s 1996 Antarctic Field Research Photo Album Volume 1
Editor’s note: This is a revised version of the original website that was first posted – from Antarctica – in 1996.
Posted inArctic / Antarctic / Alpine, Astrochemistry, Astrogeology, Biosignatures & Paleobiology, Fossils & Paleontology, Mars, Meteorites & Asteroids, Press Release
Meteorite Yields Evidence of Primitive Life on Early Mars
A NASA research team of scientists at the Johnson Space Center (JSC), Houston, TX, and at Stanford University, Palo Alto, CA, has found evidence that strongly suggests primitive life may […]