SBS News In Depth

The United States and Iran are talking about diplomacy, while exchanging increasingly severe threats and attacks. Washington says its latest strikes are retaliation, Tehran says its response is not over, and countries across the Gulf are trying to stop the confrontation escalating further. But as the diplomatic language continues, so too does the human cost.

Was it just a matter of time before circumstances caused the flooding disaster in Nepal? Alton Byers is a mountain geographer and a faculty research scientist at the Institute of Arctic and Alpine Research at the University of Colorado in Boulder. He specializes in applied research, high altitude ecosystems, glacier hazards, and implementation of integrated conservation and development programs in the Himalayas, Andes, and East African Highlands. He's told the Associated Press that climate change is affecting the structure of mountain geology around the world.

Australia’s property downturn is gathering pace just as the busy spring selling season begins. Cotality Head of Research Tim Lawless explains what falling prices mean for buyers and sellers, while VanEck’s Jamie Hannah unpacks the Australian sharemarket’s subdued session, rising oil prices and higher bond yields.

New research has revealed that the thylacine, or the Tassie tiger was unlike any living mammal today. SBS reporter Yasmine Alwakal speaks to Vera Weisbecker, a professor of Evolutionary Biology at Flinders University who says the story of the Thylacine offers a warning about the risks of contemporary extinction.

After promising "consequences" for Taiwan's presence at the Pacific Islands Forum, China is denying comments by a senior diplomat are a threat - and that it has engaged in foreign interference. Taiwan's expanded role at the forum has enraged Beijing and there are concerns the rivalry will overshadow potential progress on regional issues, particularly climate action.