In world news headlines -

> An updated version of the SpaceX Falcon 9 rocket, tailored for eventual crewed missions for NASA, has made its debut launch from Florida's Cape Canaveral carrying a communications satellite for Bangladesh into orbit.

> A robotics company known for its widely shared videos of nimble, legged robots opening doors or walking through rough terrain is preparing to sell some after more than a quarter-century of research.

> Peggy and David Rockefeller's lavish artworks and other treasures have set a world record at Christie's Auction House, topping $US800 million as the priciest ever single-owner collection.