NASA
Nasa: Getting Dirty on Mars
This educator's guide provides students with the opportunity to simulate collecting, testing, and examining soil samples from Mars. Includes background information, lesson plans, and content standards.
NASA
Nasa Space Science Data Archive: Mars 2007 and Beyond
Check this resource for NASA's present, past, and future Mars' missions. Launch periods, descriptions of the mission, and related press releases are provided for each mission.
University of Arizona
Phoenix Mars Mission: Lander Is Silent
An article describing how the Phoenix Mars Lander mission was ended by NASA due to damage.