A new study from scientists with France's CNRS explains how comets like 67P/Churyumov-Gerasimenko acquire and retain their multi-lobed shapes.
Sequence of OSIRIS narrow-angle camera images from 12 August 2015, just a few hours before the comet reached perihelion. Credits:…
Calling all light-bucket scope owners: the folks at the European Space Agency want to enlist you in the quest to…