The Presidential Daily Brief


  1. A model of Philae

    Philae Lander Wakes Up After Seven Months

    It’s made an out-of-this-world comeback. When the European Space Agency landed Philae on comet 67P last autumn, the little robot and its solar-powered batteries bounced away from its designated landing spot and into the shade. The batteries eventually died, and Philae fell silent — many feared permanently — until late Saturday, when it chirped a sunny hello to ESA HQ and inspired the #WakeUpPhilae hashtag. Scientists, who had been searching for it for months, will now attempt to pinpoint the lander’s exact location.

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