For some comets, breaking up is not that hard to do. A new study indicates that the bodies of some periodic comets — objects that orbit the Sun in less than 200 years — may regularly split in two, then reunite down the road. This may be a repeating process fundamental to comet evolution.

Philae manager Stephan Ulamec provides an update on the status of the lander following it’s arrival on the surface.

The Rosetta spacecraft neared its comet Saturday, targeting a close flyby within six kilometres of the tiny world’s jagged nucleus to gain new up-close views of the comet and taste the growing vaporous cloud surrounding it.