NASA/JPL-Caltech
NASA's InSight lander on Mars isn't responding to communications from Earth, likely due to low power levels. Dust accumulated on the lander's solar panels and slowly drained its energy over the last two years. InSight detected more than 1,300 Mars quakes and revealed the planet's interior layers.NASA suspects its $813 million InSight lander has succumbed to dust on the surface...