The Prime Minister says Australia is prepared to consider a proposal from the European Union to enter into a defence and security pact.

War veteran Ben Roberts-Smith is vowing to take his defamation case all the way to the High Court after the Federal Court dismissed his appeal today.

Queensland Senator Larissa Waters is the new leader of the Australian Greens.

The corporate watchdog, ASIC, is suing Australia's largest investment Bank, Macquarie Group, for allegedly engaging in misleading conduct.

The Federal Liberal Party has elected its first female leader. Sussan Ley had a narrow win over rival Angus Taylor in the party room, 29 votes to 25.

The Prime Minister Anthony Albanese has unveiled his new Cabinet line-up and made no apologies for the dumping of former frontbenchers Mark Dreyfus and Ed Husic by the Labor factions.

Angus Taylor and Sussan Ley have both confirmed they will contest the Liberal Party leadership.

Northern Territory Senator Jacinta Nampijinpa Price has announced she's leaving the National Party room and moving to the Liberals.

In a shock result, the leader of the Australian Greens, Adam Bandt, has lost the seat of Melbourne.

As the Liberals continue to analyse why they lost the election, prominent Indigenous figures suggest divisive politics played a role.