NASA's Curiosity rover has completed six years on planet Mars, the mission has detected evidence of liquid water
as well as potential signs of life and habitability on the planet.
NASA's Curiosity rover was landed on the Mars's Gale Crater on August 6 2012, the mission of the rover was to discover
whether the red planet ever was, or is, habitable to microbial life.
The rover has a size equivalent to a car, it has 17 cameras and a robotic arm containing a suite of specialised laboratory-like
tools and instruments.
Curiosity rover's discoveries
In 2013, the Curiosity rover discovered that ancient Mars had the right chemistry to support living microbes. Evidence
of key ingredients necessary for life like sulphur, nitrogen, oxygen, phosphorus and carbon are also found by the rover on
It also revealed fresh and possibly drinkable water with not too much salt and clay minerals presence on the planet,
the rover also revealed a steady knee-deep stream of water was once on the red planet by detecting the pattern of smooth and
A discovery of the Curiosity rover also revealed the presence of atmospheric methane and observed a ten-fold
increase in methane over a two-month period.