InSight update, Sol 92, by Emily Lakdawalla, The Planetary Society

The mole did hit a rock. Mars could’ve given us a break, but it didn’t. The HP3 mole started hammering itself today, and almost immediately (after just 5 minutes) appears to have encountered a rock. After four hours of hammering, it may have pushed the rock aside, but doesn’t appear to have buried itself completely beneath the soil yet, because it’s still measuring temperatures consistent with the Martian air temperature. No matter; they’ll… [More at link]