67P/Churyumov–Gerasimenko
Compound Associated With Life Found in Two Very Different Locations in Space
Why that's actually not good news for astrobiologists looking for extraterrestrial life.
'Seven Hours of Terror': Harpooning a Comet Isn't Easy, But It's About to Happen
Next Wednesday, a spacecraft will make a slow landing onto the surface of a comet for the very first time.
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