Atmosphere of Mars

The Mars Helicopter will be remote-controlled and has been designed to take flight in the thin Martian atmosphere.
It's the first time such an aircraft will be used on another planet.
NASA’sCassini may sadly be no more, but that hasn’t stopped its Curiosity Mars rover stepping up to the mark. The rover’s
Billions of years ago, Mars was awash with water and cloaked in an abundant atmosphere. It might even have supported life