On July 4, 1997, NASA's Mars Pathfinder mission arrived on Mars and began transmitting images from the surface of the Red Planet. The rover, named Sojourner, was the first rover to successfully land ...

PASADENA, California (CNN) -- The Mars Pathfinder's Sojourner rover is the end product of years of testing in desert landscapes. Rovers of all shapes and sizes, of varying weights and composition were ...

Seven rovers have been sent to Mars, four successful, all of them robotically operated. The American rover Sojourner, Mars Pathfinder, landed successfully on July 4, 1997 and began sending back a ...

When a daring team of engineers put a lander and the first rover on the Red Planet a quarter century ago, they changed how the world explores. On a July evening in 1997, Jennifer Trosper drove home ...

On Sept. 27, 1997, NASA's Mars Pathfinder mission beamed its very last data transmission back to Earth. The Mars Pathfinder mission consisted of a base station and the very first Mars rover named ...

A view of the sundial-like calibration target on NASA’s Mars Exploration Rover Spirit, with a bit of martian terrain in the background, is the 50,000th image from the twin rovers that have been ...

How did Sojourner, the first rover NASA successfully landed on Mars, get its name? The rover and its flight spare were named through a contest open to all students under 18. First place was Sojourner ...