The Mars Project News Today

Whitney in california. the rover will conduct scientific tests about the viability of life. >> curiosity, the most sophisticated rover ever built, is now on the surface of the red planet where it will seek to answer age-old questions about whether life ever existed there on mars or if the planet can sustain life in the future. >> reporter: nasa plans to have curiosity conduct tests for the next two years. patti ann? patti ann: the mars project cost $2.5 billion. president obama of course is prop...