This review of material relevant to the Conference on Biosignature Preservation and
Detection in Mars Analog Environments summarizes the meeting materials and discussions …

Hematite is a canted antiferromagnet with reddish color that occurs widely on Earth and
Mars. Identification and quantification of hematite is conveniently achieved through its …

In Placing Outer Space Lisa Messeri traces how the place-making practices of planetary
scientists transform the void of space into a cosmos filled with worlds that can be known and …

Outcrop exposures of sedimentary rocks at the Opportunity landing site (Meridiani Planum)
form a set of genetically related strata defined here informally as the Burns formation. This …

Impure reworked evaporitic sandstones, preserved on Meridiani Planum, Mars, are mixtures
of roughly equal amounts of altered siliciclastic debris, of basaltic provenance (40±10% by …

An Erratum has been published for this article in Mass Spectrometry Reviews 25: 831–832,
2006. Although the processes that govern iron isotope variations in nature are just …

The MER rover Opportunity has carried out the first outcrop-scale investigation of ancient
sedimentary rocks on Mars. The rocks, exposed in craters and along fissures in Meridiani …

Microbial life permeates Earth's critical zone and has likely inhabited nearly all our planet's
surface and near subsurface since before the beginning of the sedimentary rock record …

Scientific exploration of extraterrestrial planets has gripped human imagination since the
advent of space travel. Human missions to Mars could produce insight into the essential …

Our knowledge of Mars has changed dramatically in the past 40 years due to the wealth of
information provided by Earth-based and orbiting telescopes, and spacecraft investigations …