Is There Life On Mars - Ask A Magnet

The meteorite ALH84001 contains magnetite crystals that some scientists believe were produced by martian microbes.

by James Kling

for Astrobiology Magazine

Moffett Field CA (SPX) May 06, 2008

Between three and four billion years ago, Mars was a lot like Earth. Both planets are believed to have had surface water. Those similarities make it a prime candidate for extraterrestrial life. "The assumption is that if bacterial life emerged on Earth at that time, then why not on Mars?" says Soon Sam Kim, principal member of technical staff at NASA's Jet Propulsion Laboratory.

Full article here:

http://www.marsdaily.com/reports/Is_There_Life_On_Mars_Ask_A_Magnet_999.html