Mission to Phobos Should Yield Soil from Mars and its Moon

The Martian moon Phobos is likely riddled with dust, soil and rock blown off the Mars surface by over millions of years worth of large projectile impacts, and sending a probe to the moon on a sample-return mission could yield a cosmic two-for-one, providing samples from the Red Planet and its largest moon, according to new research ahead of a planned mission to the distant world.