Video: Tower rollback prior to launch of Mars Pathfinder atop a Delta 2

For the second consecutive day, SpaceX called off a Falcon 9 launch attempt at Cape Canaveral on Thursday evening, this time to complete a software update on the first 60 satellites for the company’s Starlink network to provide high-speed Internet service from orbit.

NASA’s Soil Moisture Active Passive satellite blasts off aboard a United Launch Alliance Delta 2 rocket Saturday, launching into orbit on a three-year mission to measure moisture levels in Earth’s soils.

Launch pads and critical facilities at the Kennedy Space Center and the Cape Canaveral Air Force Station are braced for the onslaught of Hurricane Matthew overnight Thursday, one of the most powerful storms to threaten Florida’s Space Coast since the dawn of the space age 50 years ago.