Biogeochemical Cycles & Geobiology Archives

Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Habitable Zones, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Mars, Press Release

New Images Suggest Present-Day Sources of Liquid Water on Mars

by Keith CowingJune 22, 2000April 13, 2024

In what could turn out to be a landmark discovery in the history of Mars exploration, imaging scientists using data from NASA’s Mars Global Surveyor spacecraft have recently observed features […]

Astrobiology (general), Astrogeology, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Imaging & Spectroscopy, Mars, Missions & Hardware

Mars, Like Earth, is not a Simple Planet to Understand

by Keith CowingJune 22, 2000June 23, 2024

(Editor’s note: originally published on NASAWatch.com) Today, a group of scientists sat before the world on TV and said “I don’t know”; “I am confused”; and “I laid awake at […]

Analog Studies, Arctic / Antarctic / Alpine, Astrogeology, Away Teams & Field Reports, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Caves, Craters, Mountains, Subsurface, Lava Tubes, Desert Worlds, Exploration Gear & Tech, Extremeophiles and Extreme Environments, Fossils & Paleontology, Habitable Zones, Icy Worlds, Imaging & Spectroscopy, Mars, Sample Return, Status Report

The Antarctic Dry Valley Lakes: Relevance To Mars

by Keith CowingMarch 1, 1989June 13, 2026

The similarity of the early environments of Mars and Earth, and the biological evolution which occurred on early Earth, motivates exobiologists to seriously consider the possibility of an early Martian […]