Live coverage: Cygnus rendezvous and arrival journal and webcast

The next flight of United Launch Alliance’s triple-barrel Delta 4-Heavy rocket has been delayed from June to late August, military officials said Friday.

Rainy weather expected across Central Florida this weekend has a 50-50 chance of preventing the launch of a SpaceX Falcon 9 rocket Saturday on a resupply mission to the International Space Station, U.S. Air Force forecasters said Wednesday.

United Launch Alliance has begun stacking its first Atlas 5 rocket to fly in service to the International Space Station, a commercial mission to send supplies to the orbiting complex.