🌍 For some people going to this planet would allow to study closely these celestial objects made of rocks and metals. For others, Mars could be the fallback planet, if we could no longer live on Earth. Myth for some, challenges for others, making a colony on Mars to make it habitable, the ...

Taken Feb. 22, 2021, this image from the Mastcam-Z instrument on NASA’s Perseverance rover shows the first target for analysis by the rover’s SuperCam instrument. The target rock is approximately 29 inches (73 centimeters) across its longest axis. On the left side of the image, rocks ...