Astro Resources NL engages in the exploration and development of mineral resource properties. It primarily explores for mineral sands, diamond, and gold deposits. The company operates through three segments: Heavy Minerals, Diamond, and Uranium Exploration Industry. the Needles gold project located in Nevada, the United States; Governor Broome mineral sands project located in the south-west region of Western Australia; East Kimberley diamond project located in the northeast region of Western Australia; and Kibby Basin project located in Nevada, the United States.

Astro Resources NL was incorporated in 1988 and is based in Sydney, Australia.