NASA’s InSight Mars landing: what it really took

After a six-month long journey, NASA’s InSight spacecraft successfully landed on Mars. The probe will now begin to collect data on Mars’ crust, mantle, and core, providing a never-before-seen look at the red planet’s inner workings. Getting a new spacecraft on the surface of the red planet is no easy feat – The Verge’s Loren Grush talks to engineers about how they prepared for this landing.