Martian methane probe in trouble
"Without nailing the methane numbers, it will be hard for all scientists to agree on a source for the gas. For now, many say it is probably due to heating of water and carbon dioxide with a mineral called olivine, rather than life, says Sushil Atreya, a member of the PFS team from the University of Michigan in Ann Arbor."
First the Beagle 2 crashes. Now this.