Equipment failure pushes back Mars lander mission
![illustration of Mars InSight lander](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/12/122315_marsinsight_free.jpg?fit=860%2C460&ssl=1)
DELAYED INSIGHT NASA's InSight spacecraft, illustrated here, was slated to launch in March 2016 and land on Mars six months later to probe the planet's interior. But a faulty instrument forced NASA to postpone the launch for at least two years.
JPL-Caltech/NASA