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

Flying on autopilot more than 200 million miles from Earth, NASA’s OSIRIS-REx spacecraft is on track for a daring touch and go landing on an asteroid Tuesday to grab a sample for return to scientists eager to scan the specimens for clues about the history of the solar system.

NASA’s Mars Pathfinder probe dropped to the surface of Mars for an airbag-cushioned landing 20 years ago Tuesday, bouncing 15 times across an ancient flood plain before deploying a mobile robot to usher in two decades of uninterrupted Martian exploration.

These video highlights released by the Indian Space Research Organization show the launch campaign to prepare for liftoff of the Chandrayaan 2 moon mission aboard a GSLV Mk.3 rocket.