Six Wheels on Martian Regolith: 20 Years Since NASA's Pathfinder Mission Launched to the Red Planet

Three Generations of Rovers

With the deployed petals and airbags of the lander in the foreground, the Sojourner rover can be seen at work in the middle-distance. Photo Credit: NASA

Having alighted on the Red Planet in July 1997, and having been dug out of Martian regolith by Mark Watney as part of his efforts to achieve […]

Spitzer Space Telescope Celebrates 10 Years of Astronomical Discovery

The infrared vision of NASA’s Spitzer Space Telescope has revealed that the Sombrero galaxy—named after its appearance in visible light to a wide-brimmed hat—is in fact two galaxies in one. Image Credit: NASA/JPL-Caltech

Ten years ago tonight, NASA’s fourth “Great Observatory”—the Space Infrared Telescope Facility (SIRTF)—was boosted into orbit from Cape Canaveral Air […]