Expanse

When a bicycle is found abandoned on a remote track in the Great Sandy Desert it triggers an urgent search. Who is this mystery man and why has he walked into one of Australia’s deadliest landscapes?  

It’s 1999, and a young American man is missing in the Australian outback. Police soon realise there’s something very strange about this case – the man appears to have plunged into the desert on purpose, and seemingly doesn’t want to be found.

The long-awaited trial of Erin Patterson has begun. The ABC's Mushroom Case Daily podcast is your eyes and ears in the courtroom. Follow the podcast to make sure you don't miss a second of what's sure to be one of the most famous cases in Australian history.

A bombshell is dropped in US Congress that makes a lot of people start thinking about UFOs, now called UAP, differently. Danielle O’Neal tries to understand the implications of everything she’s heard and grapples with the unanswered questions.  

Despite an alarming coincidence being uncovered in the government’s UFO files, a young intelligence officer recommends the files are closed and investigations shut down. Decades on, while the U.S. is taking a serious look at unexplained aerial phenomena (UAP) the legacy of that decision has kept UFOs in the sneered-at periphery in Australia.  

The Tully phenomena spreads, with unexplained circles starting to crop up around the country. Reports of them all are filed away by the RAAF in the secret UFO files. But, one young UFO researcher is determined to get access to those files and see just what they hold.  

Hoards of people descend on the Pennisi property to take a look at this ‘saucer nest’, sending the family running for cover. Turns out, in the years to come that would be the least of their worries. Rumours of covert surveillance and odd happenings leave the people at the heart of this mystery looking over their shoulders.  

On a hot morning under blue skies, a young banana farmer saw something he couldn’t explain that sent his pulse racing. It looked like a flying saucer and it left behind a mysterious mark. The chain of events it set off would change everything.  

In 1966 a Queensland farmer thought he saw a UFO that left behind a real physical mark in some reeds. That sighting set off a chain of events that would haunt him for decades and leave a lot of unanswered questions.  

Danielle O’Neal delves into what happens when people say seemingly unbelievable things.

On a scratchy recording made in a Melbourne hotel room, a man admits to committing murder. But as journalist Alicia Bridges investigates the man on the tape known as Mr Big, she finds herself in a world of lies and subterfuge, where very few things are as they seem. The recording leads her deep inside an international controversy, to a world of secrets that powerful institutions don't want revealed.

Mr Big is the latest season of Unravel, the ABC's award-winning true crime podcast.

You can listen to the entire season now by searching for Unravel.

More information

Host and Reporter: Alicia Bridges

Supervising Producers: Yasmin Parry and Alex Mann

Producer and Researcher: Ayla Darling

Theme: Martin Peralta and Ashley Cadell

Sound Design: Hamish Camilleri

Executive Producer: Tim Roxburgh

Manager of Podcasts at ABC Audio Studios: Monique Bowley.