The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.
A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get them back to Earth.
Surrounded by hundreds of onlookers, Hirokuni Kakiuchi stood with his neck craned toward the ceiling at the 2011 Tokyo ...
There are many obstacles to overcome before humans can set foot on Mars, including problems surrounding launch mass and ...