While all eyes are on Philae, the little comet lander that could, the Rosetta orbiter is still observing 67P/Churyumov-Gerasimenko, and still making discoveries about how a comet behaves. Its newest is actually very cool … or actually warm: Jets of material are now being seen blowing out from the comet even after the direct sunlight is gone. This means the comet is getting more active.

I wrote all about it for my twice-monthly column at Sen. It’s subscription only, but you’ll find lots of great stuff there, including tons of news and images you can see for free.