Click Here to Read:  Building Blocks of Life Found on Mars: Two landmark discoveries reveal organic carbon on the red planet, shaping the future hunt for life on Mars By Michael Greshko on the National Geographic website on
June 7, 2018.

his artist’s concept depicts the rover Curiosity, of NASA’s Mars Science Laboratory mission, as it uses its Chemistry and Camera (ChemCam) instrument to investigate the composition of a rock surface. ChemCam fires laser pulses at a target and views the resulting spark with a telescope and spectrometers to identify chemical elements. The laser is actually in an invisible infrared wavelength, but is shown here as visible red light for purposes of illustration. 9 November 2011 NASA/JPL-Caltech. Public Domain via Wikimedia Commons.