Mars Rover Curiosity's 10 Greatest Hits
Curiosity on Mars This artist's concept depicts the Curiosity rover using its Chemistry and Camera (ChemCam) instrument to investigate the composition of a rock surface. ChemCam fires laser pulses at a target and views the resulting spark with a telescope and spectrometers to identify chemical elements. The laser is actually in an invisible infrared wavelength, but is shown here as visible red light for purposes of illustration. NASA/JPL-Caltech The rover landed on Mars a year ago today. Happy Mars-iversary, Curiosity! You've been busy. Mars rover Curiosity landed on the red planet one year ago today, so we here at Popular Science figured we'd take a look back at the journey. It's not an easy trip to summarize, since Curiosity marked a ton of firsts: only the discovery of the Higgs Boson rivaled it for biggest science story of 2012. But in case you need a refresher on just how big of a...