Australian News Roundup: Tunnel, SpaceX, Jetstar, Solar, Sports, Strike

On August 4, 2026, Australian news covered a variety of stories, including calls to permanently open a historic tunnel in Sydney's Blue Mountains, a SpaceX rocket piece believed to have crashed into the Moon, Jetstar's plan to scrap free carry-on luggage, a solar energy scheme expansion for businesses, North Melbourne coach Alastair Clarkson extending his contract, and a strike by Arnott's workers over pay. These stories span local infrastructure, space, aviation, energy, sports, and labor disputes.