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Building blocks of life like glycine, other amino acids form in interstellar clouds: Study
Goodbye Philae: Year-long silence later, ESA severs link with comet probe
Results from comet lander Philae's experiments expected today
Comet-lander Philae sends plenty of data, but its batteries run out
Photos: How ESA's Philae lander reached comet 67P
The European Space Agency has achieved a historic first — landing a washing machine-sized spacecraft on a comet speeding through our solar system at 41,000 mph (66,000 kph).
