A leaky component may have been to blame for the dramatic explosion of a SpaceX capsule during testing in April.Read more
Science editor, BBC News website
A Falcon-9 rocket launches from Florida, packed with 60 satellites capable of giving users on the ground high-speed connections to the internet.
SpaceX has carried out its first commercial launch of its Falcon Heavy rocket, the world's most powerful rocket in operation.
It carried a communications satellite for Saudi-based telecom firm Arabsat.
Elon Musk's space company SpaceX has two operational rockets - the Falcon 9, which had 21 launches last year, and the Falcon Heavy, which is designed to lift far heavier payloads.
Elon Musk's Falcon Heavy launched a satellite into orbit for a Saudi Arabian company.
SpaceX's capsule has splashed down after a week-long test mission to the International Space Station.
Watch live as SpaceX's commercial test capsule makes its way to the Atlantic Ocean.