The tiny European Philae lander after its historic touchdown on comet 67P/Churyumov–Gerasimenko has apparently ended as batteries depleted and the craft fell asleep Friday night.

The Delta 4 rocket that will launch the U.S. military’s highest capacity communications satellite ever built was rolled to the pad this week.

NASA announced Thursday nine companies that will be eligible to compete for up to $2.6 billion in contracts over the next decade to ferry scientific instruments and tech demo payloads to the moon aboard commercial robotic landers, a first step in what agency officials said will foster expanded private investment in deep space exploration and an eventual return of humans to the lunar surface.