NASA’s Curiosity rover has resumed science operations after solar conjunction, returning to a previous drill site for a rare organic chemistry experiment. Using its final supply of TMAH, Curiosity will analyse Martian rock samples for signs of organic molecules while also monitoring dust and atmospheric conditions inside Gale Crater.​NASA’s Curiosity rover has resumed science operations after solar conjunction, returning to a previous drill site for a rare organic chemistry experiment. Using its final supply of TMAH, Curiosity will analyse Martian rock samples for signs of organic molecules while also monitoring dust and atmospheric conditions inside Gale Crater.  ​ science