ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

Starlink satellites launch weekly from Florida, but what are they exactly? Here's a look at SpaceX's Starlink satellites.

The Ariane 6 is built by the Airbus SE-Safran SA joint venture ArianeGroup and operated by its Arianespace subsidiary.