ESABy Lisa Grossman Goodnight, sweet lander. The European Space Agency is shutting down communications with the Philae lander, which crash-landed on comet 67P/Churyumov–Gerasimenko in 2014. “It’s time for me to say goodbye,” the lander tweeted today. “Tomorrow, the unit on @ESA_Rosetta for communication with me will be switched off forever…” Philae...