ABC chair Kim Williams says investment and regulation are needed to fund the production of Australian stories, as he calls for the broadcaster to be "aggressively, consciously ambitious" in its programming.

Aquaculturalists fear a desalination plant that could be built near WA's largest hatchery in the Great Southern would have a substantial impact on oyster production and the surrounding environment.

At the edge of the Pacific Ocean in North Queensland a community of aircraft enthusiasts are building their homes and lives metres from a commercial airfield. They say it is the best decision they have ever made.

Six years after Cyclone Marcus left almost 30,000 homes without electricity, the Country Liberal Party has redirected $60 million budgeted for underground power.

Bitcoin pushed to a new record high as investors digest US election results while 'Trump trades' push global markets higher and officials from the Treasury, ATO and ACCC faced Senate estimates.