The Mars Phoenix Lander is dying dead (see below). Dying a slow death of hypothermia. You see, the fading Martian summer sunlight is causing Phoenix to become starved for photons with which it charges its batteries. Without a fresh battery charge each day, Phoenix is unable to keep its heaters running all night. When the heaters stop running, so does Phoenix.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/blog/show/the-phoenix-is-dying