Q&A with Scott Bolton, principal investigator on NASA’s Juno mission

The rock-coring drill fixed to the end of the Curiosity rover’s robot arm has suspended operations to allow engineers on the ground to diagnose, and officials hope correct, a problem traced to the mechanism that pushes the drill bit onto rocks to collect powder samples.

NASA has a plan to retrieve 12 ejectable data recorders released from an Orion test capsule in the waters off Cape Canaveral following a launch abort test Tuesday, but local boaters and beachgoers could still find the floating orange devices.

The second flight of NASA’s Ingenuity helicopter in the Martian atmosphere Thursday took the rotorcraft higher than its first hop. A third takeoff as soon as Sunday will take the helicopter more than 150 feet away from its makeshift airfield as engineers attempt more daring test flights.