More than 30 years ago, astronomers came up with the bold idea to build the world’s biggest radio telescopes.

One is now taking shape in the Western Australian outback, where scientists and engineers are installing more than 130,000 Christmas-tree-shaped antennas onto the red earth.

And those stunning auroras over the past year? There’s a good chance we’ll see more colourful displays in 2025.

All that and more with ABC Science digital executive producer Genelle Weule and University of Sydney astronomer and 2024 ABC Science Top Fiver Dr Laura Driessen.