Four Corners

Australian Rules footballers who never played in the game's premier league are being diagnosed with CTE, revealing that the brain trauma crisis striking all levels of the game.

A talent and a team player, Nick Lowden excelled at Aussie Rules. But the knocks, bumps, hits and collisions were adding up.

Four Corners follows the logs, and the money, to uncover how efforts to end logging have shifted the timber trade across state borders.

The world's biggest tech titans see Australia as a promising investment opportunity for their AI ambitions, but some fear the federal government's regulatory retreat could lead to harm.

As the footballer, shirt torn, face bloodied and with a concussion, paced his police cell, a veteran detective's phone started to ring.

After fracturing about a dozen of a man's ribs and puncturing his lung, police officers discussed how to explain what happened to him.

The family of a woman brutally assaulted by police in Sydney has fought to have body-worn camera vision released, in the hope officers will be better trained in responding to acute mental health situations.

Internal BHP documents reveal how the mining giant planned to set up an iron ore processing facility in the Pilbara to cut carbon emissions before backing away from it entirely.

The mining giant's delay in the rollout of renewable energy and a fleet of electric trucks and trains in the Pilbara has raised doubts inside the company about it meeting its ambitious climate goal.

Hundreds of pages of internal BHP documents reveal how the company sold itself as a climate leader while internally finding reasons to put off action in the Pilbara.