Can space exploration be environmentally frie...

Have you ever found yourself doing something – perhaps getting a glass of water, eating a snack, or even sitting on the toilet – without remembering making the decision to do it? CrowdScience listener Mohammed certainly has. It’s left him wondering: does he really have free will, ...  Show more

Where do shells come from? CrowdScience listener Tamsyn got in touch, a little embarrassed, confessing that she had managed to reach her twenties without realising that shells are made by living creatures. Suddenly, her curiosity ran wild and she asked CrowdScience to investigate ...  Show more

Space junk. It might sound like an out-of-this-world problem that we don’t need to worry about here on Earth – but is it? As we send more and more metal in the form of satellites up into space, scientists are warning it is becoming more of a risk both here – and up there. We dig ...  Show more

Whilst the globe struggles to shift to green sustainable energy sources, one industry has its sights set solely on the stars. Space X just launched the biggest rocket the world’s ever seen, and it won’t be their last even if it did end its test flight with a bang. As we enter a n ...  Show more

The world is entering a new space race but every new satellite launched into Earth’s orbit runs the risk of colliding with one of the millions of pieces of space junk left behind by previous missions. So how can we solve our space junk problem? Featuring former NASA astrophysicis ...  Show more

Since the dawn of Sputnik in 1957, space-faring nations have been filling Earth's orbit with satellites. Think GPS, weather forecasting, telecommunications satellites. But as those have increased, so, too, has space junk. On today's show, we talk about the first mission to clean ...  Show more