NASA plans to send the Mars Science Laboratory to the red planet in the autumn of two thousand eleven.

VOA: special.2009.12.30

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

Moving pictures from before World War Two showed a man named Buck Rogers landing on the planet Mars.

VOA: special.2010.06.27

Mr. McCuistion noted that since efforts world-wide to explore Mars planet began in 1960, only 40% of the missions launched from Earth have succeeded.

WSJ: NASA's Robot Lab Curiosity Nears Mars

Liquid water is not something scientists expect to be apparent on Mars because the planet is so cold and dry, Squyres said.

CNN: Rover Curiosity near Mars landing

Its abundance on Mars suggests that the planet has been cold and dry throughout most of its history.

ECONOMIST: Martian chronicles