The Stargate dispute is part of a long feud between Elon Musk and Sam Altman, which started with a boardroom battle over leadership at OpenAI.

Elon Musk-backed SpaceX was forced to abort a launch just 11 seconds before liftoff after a plane was believed to have strayed into the airspace above the launch site. The Falcon 9 launch on Sunday ...

The rest of the 400 landings have come courtesy of SpaceX's powerful Falcon Heavy, whose first stage consists of three modified Falcon 9 boosters. (The Heavy can notch three landings on a single ...