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By taking on the role as leader in space traffic management, Australia can gain international power and exploit commercial opportunities.

We’ve all seen videos of satellites being blasted off into space - but once they’re locked in orbit around the earth, how do we bring them back down?

As the Moon starts getting crowded, questions of safety and responsibility are becoming hard to ignore.

This year the Apollo 11 mission turns 50 - but what does the future hold for the Moon? The ephemeral shadows cast by human artefacts may soon be joined by more permanent scars of lunar mining.

Burnt-up satellites could dump hundreds of tonnes of aluminium in the stratosphere every year. An atmospheric chemist explains what that might mean

Google’s Project Suncatcher would need sophisticated collision avoidance capabilities to navigate a junk-filled landscape.

Near-Earth orbits are filled with useful satellites, and also flying junk. If we’re not careful they may collide - literally.

Billboard ads for airlines, SUVs and fossil fuel companies are now prohibited in cities like Edinburgh, Sheffield, Stockholm and Toronto.

Tens of thousands of satellites orbiting Earth will hamper astronomers’ efforts to study the Universe and spot dangerous asteroids, as well as brightening the sky and hiding stars from the rest of us.

Over the past few months our planet has been impacted by an increasing number of solar explosions that have erupted from the sun’s surface. Even though next year’s predicted solar maximum – the period…