Charlie Duke, 10th astronaut to walk on the Moon, speaks to Sheridan Voysey House about his experiences in space, and his Christian faith.

John Smith, legendary Australian minister, commentator, activist and founder of the God’s Squad Motorcycle Club has died after a long battle with cancer.

People are more likely to believe a true or false claim if it is paired with a photograph, a researcher from The Australian National University (ANU) has found. Dr Eryn Newman, from the ANU Research School of Psychology, has been finding out how people find truth in a fake-news era.

Mission Aviation Fellowship (MAF) are one of the busiest airlines in the world. A Christian registered charity they go where others, quite literally, fear to tread. Ian McDougall from MAF Australia Group told Open House about the incredible work the organisation do in remote an isolated locations in Australia and around the world.

What a wild and crazy year in politics! The "Canberra bubble" has outdone itself. Rev Tim Costello, is a Baptist Minister and Ambassador at Large for World Vision Australia. He is also head of Christian justice and poverty action group group, Micah Australia. He gets to spend lots of time in that Canberra bubble advocating for civil society. He shared his thoughts on the year in politics with Open House.

Do you feel like you are barely holding on? Let the golden thread of God's presence be the calm on the other side of chaos. It could be that He is weaving a brilliant new beginning in the middle of your mess. Darlene Zschech spoke on Open House about her new book, 'The Golden Thread - Experiencing God's presence in every season of life."

Oxygen is expensive and a scarce resource for health facilities in the developing world. By training staff in identifying the sick children who need oxygen the most, a Melbourne doctor has helped Nigerian hospitals halve the number of children dying from pneumonia. Paediatrician Hamish Graham, spoke to Open House about the award he has been given for his work and his vision to see oxygen available to every child in the world who needs it.

120 of the world’s best soil, health and agricultural scientists met recently in Sydney at a Global Soil Security conference. The scientists looked at how we can secure our soil for the centuries ahead while still feeding the billions of people on the planet. Professor Cristine Morgan, Professor of Soil Science, Texas A&M University was our guest on Open House.

Professor Tormey, from the University of Sydney, is an expert on European politics and populism. On Open House, he took us through the troubles facing French President, Emmanuel Macron, the bitter EU - UK divorce and why voters believe the empty promises of populist politicians. We even managed to get his opinion on happenings in Canberra, confirming for Professor Tormey just why he doesn't follow Australian politics.