Scientists hope that this particular rock sample will hold clues about Mars' ancient climate. NASA has been collecting samples from Mars' soil in hopes of unlocking knowledge about the Red Planet.
NASA announced on Wednesday that its InSight lander is retiring. NASA announced on Wednesday, December 21, that its InSight lander is retiring after completing its four-year mission on Mars, according to Space.
NASA InSight Lander tweeted what may be its last image from Mars. "Thanks for staying with me. " This is the latest tweet from the Twitter account of NASA InSight on Monday afternoon.