First comet drilling ever confirmed: 100% successful mission, says ESAJesus Diaz11/14/14 6:07pm3116EditPromoteGo to permalinkAgainst all odds, Philae has confirmed that the first ever drilling of a comet has happened! ESA has received telemetry data indicating that the drill worked. They also managed to send ALL data before going into sleep mode. What is Philae going to find? Perhaps the building blocks of life? UPDATE 5.