New evidence that parts of Venus’ crust may be squishy

File this under "Venus is still doing stuff we didn't know about until recently": Blocks of the crust on the more-than-broiling-hot planet show that they've moved relative to one another, both sliding past and rotating, like plates of ice on a frozen lake. This may be due to movement of the mantle underneath them, which in turn indicates that our evil twin planet may yet be geologically active. Like, now.

Venus is similar to Earth in some ways; it's about the same size and mass, but at the same...