Tech

Earthlings, We Landed on a Comet

TOUCHDOWN

A decade in the making, Wednesday marks the culmination of the European Space Agency’s Rosetta comet mission—and the seventh world humans have landed robots on.

articles/2014/11/12/earthlings-we-landed-on-a-comet/141112-francis-comet-mission-tease_e8pk2z
ESA via Getty Images