This little guy changes from flat sheet of paper to critter in about four minutes. Seth Kroll/Wyss Institute hide caption

toggle caption Seth Kroll/Wyss Institute

Rosetta's OSIRIS narrow-angle camera took this close-up of the comet 67P/Churyumov-Gerasimenko on Sunday. ESA/Rosetta/MPS for OSIRIS Team hide caption

toggle caption ESA/Rosetta/MPS for OSIRIS Team

The Two-Way

Rosetta Spacecraft Arrives At Comet After 10-Year Chase

In November, Rosetta will release a lander about the size of a small refrigerator that will attempt to secure itself to the comet's surface using harpoons.

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The Rosetta spacecraft took this image of comet 67P/Churyumov-Gerasimenko on 4 August 2014 from a distance of just 145 miles. ESA/Rosetta/NAVCAM hide caption

toggle caption ESA/Rosetta/NAVCAM

The Two-Way

In Quest To Harpoon A Comet, A Spacecraft Stalks Its Prey

The European Rosetta mission arrives at its target comet Wednesday morning. In the coming months, its lander unit will harpoon the space rock.

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