Life on Mars or on sediments, either free-living or as biofilms, respectively. Impactite, shown to preserve signs of life on Earth, was discovered on Mars and could contain signs of ancient life, if life ever existed on the planet. On June 7, 2018, NASA announced that the "Curiosity" rover had discovered organic molecules in sedimentary rocks dating to three billion years old. The detection of organic molecules in rocks indicate that some of the building blocks for life were present. Conceivably, if life exists (or existed) on Mars, evidence of that life could be found, or is best preserved, in the subsurface, away
Mission: Earth, Voyage to the Home Planet Mission: Earth, Voyage to the Home Planet Mission: Earth, Voyage to the Home Planet is a children's literature book by science writer June A. English and astronaut Thomas David Jones that was published in 1996 by Scholastic. Jones was among the crew members of the Space Shuttle "Endeavour" during an eleven-day mission in space, which was launched in April 1994 to study the ecological well-being of Earth using specialized radar technology. The book, which is illustrated with radar images and picturesque photographs, chronicles the mission and Jones' experiences of it. "Mission: Earth, Voyage to the Home Planet" received a generally