Exploring the enigma: Successful Mars Missions so far

Mars has always been a mystery for the astronauts and a rich destination for scientific discovery and robotic and human exploration. Several attempts have been made to explore the Red planet in the past to unravel one of the most biggest enigmas - Does Life exist beyond Earth?

Curiosity result `may confirm life on Mars`

A researcher has said that a positive sign of organics by the Mars rover Curiosity would confirm his claim that NASA has already seen evidence for life on the Red Planet.