Rosetta to Reach Milestone in Mission to Comet A year after placing a spacecraft in close orbit around a comet, European scientists are expecting to collect a fresh trove of data as the comet ...

It was also the only mission to attempt a soft landing on a comet. Rosetta launched on an Ariane 5 rocket from French Guiana and spent the next decade chasing after Comet 67P. When it arrived in ...