The launch in late 1996 of the Mars Pathfinder mission with its Sojourner rover then was exciting ... so the Pathfinder team had to investigate the problem on their Earthbound replica of the ...

NASA scientists remember Mars Pathfinder’s Sojourner—the 90s experimental endeavor that started it all. Previously, the rover uncovered minerals mixed with sulfur. But this is the first time pure ...

FILE - View of the NASA Pathfinder Sojourner Rover robotic data gathering vehicle exploring the surface terrain of the planet Mars, 1997. Incoming NASA Administrator Jared Isaacman, a tech ...

NASA has unveiled two revamped plans to bring Mars samples to Earth in the 2030s, reducing costs by nearly half from its initial $11 billion proposal while expediting the timeline.