Q&A with Steve Clarke, deputy associate administrator for exploration in NASA’s science division (members only)

NASA’s Juno spacecraft must complete a carefully-planned sequence of events as it closes in on Jupiter for a make-or-break orbit insertion burn July 4.

The Dragon supply ship set for liftoff from Florida next month was the last of SpaceX’s first-generation cargo capsules off the production line, meaning future logistics deliveries to the International Space Station will fly on recycled spacecraft until a new Dragon variant is ready.

A collection of pad photos from the United Launch Alliance Atlas 5 rocket flight to deploy the Navy’s Mobile User Objective System communications satellite No. 4.