Hard to believe we have a robot running around Mars.
Curiosity drills its first hole in Mars (Photo: NASA / JPL-Caltech / MSSS)
Curiosity rover digs up shiny particles on Mars (Photo: NASA/JPL-Caltech/MSSS)
Mars rover snaps spooky portraits (Photo: NASA / JPL-Caltech / MSSS / KrisK / JMKnapp)
Astronauts could survive Mars radiation, Curiosity finds (Photo: NASA / JPL-Caltech / Malin Space Science Systems)
Opportunity rover finds fresh signs that ancient Mars was life-friendly (Photo: NASA / JPL-Caltech / Cornell / Science)
The Mars Express took this photo of a crater on Mars filled with water ice.
7 year old asks NASA to send him to Mars, NASA responds (Photo courtesy NASA)
Mars retrograde - for an explanation visit http://apod.nasa.gov/apod/ap080511.html
NASA's Mars-bound mega rocket ahead of schedule, on budget (Photo: NASA)