Massive cost overruns. Key deadlines slipping out of reach. Problems of unprecedented complexity, and a generation’s worth of scientific progress contingent upon solving them. That’s the current state ...

This mosaic is made up of more than 100 images captured by NASA’s Viking 1 orbiter, which operated around Mars from 1976 to 1980. The scar across the center of the planet is the vast Valles Marineris ...

"The bottom line is that $11 billion is too expensive, and not returning samples until 2040 is unacceptably too long." When you purchase through links on our site, we may earn an affiliate commission.

An independent review of NASA’s ambitious mission to return about half a kilogram of rocks and soil from the surface of Mars has found that the program is unworkable in its current form. NASA had been ...

NASA wants to return Mars samples to Earth, but budget problems and technical woes have the mission caught between a rock and the Red Planet. When you purchase through links on our site, we may earn ...