Snapshots from Atlas 5 launch

In a pair of mission extensions, NASA has cleared the way for more seismic observations on Mars with the robotic InSight lander and approved plans for the Juno spacecraft to alter its orbit and perform close flybys of Jupiter’s icy moon Europa, Ganymede, and the volcanic moon Io.

A year after a launch mishap left Orbital ATK’s Cygnus supply ship without a ride to the International Space Station, company officials say the cargo delivery system is on the verge of a comeback, thanks to deals with United Launch Alliance and a decision to redesign its Antares booster with new rocket engines.

A slide wire escape system has been undergoing tests at launch pad 39A at the Kennedy Space Center in readiness for the first SpaceX Crew Dragon flight to carry astronauts to the International Space Station.