Q&A with Martin Halliwell, chief technology officer at SES

On the eve of the Cassini spacecraft’s deepest pass through the polar plumes of Enceladus, Spaceflight Now’s Stephen Clark spoke with Jonathan Lunine, a member of the mission’s science team from Cornell University, about what he hopes to learn from the encounter.

SpaceX’s Falcon 9 rocket was poised for launch Wednesday at Cape Canaveral’s Complex 40 launch pad carrying more than 5,600 pounds of supplies and experiments to the International Space Station.

The Starlink 12-15 mission is SpaceX’s 60th Falcon 9 launch of 2025. Liftoff from Space Launch Complex 40 at Cape Canaveral Space Force Station is targeting no earlier than Tuesday, May 20.