Wanna work for Nasa?!
Nasa have advertised a rather different kind of job listing recently; the idea is to protect planets.... from US!
Teams are being set up to land missions on the Moon and an asteroid flyby on October. Nasa is worried that we will begin contaminating planets and moons, by our ongoing exploration of Space, with organisms from Earth.
It feels that planets like Mars has harboured life at some point in it's past, and needs to make sure that this is protected at all cost.
Let's revisit a previous Moon landing....