Two embarrassing resignations in five days have politicians scouring their records to check their own citizenship, but the rules about dual citizenship are clear on the nomination form.

The Greens should be pressing Jordan Steele-John, who is in line to take Scott Ludlam's Senate spot, to stay in the seat everyone assumes will come his way, writes Michelle Grattan.

Why is the Australian dollar rising, and can it push even higher from its current levels?

Many backpackers find themselves owing money over their quest to stay in Australia. The deception often begins at recruitment.

Many men live with prostate cancer rather than die from it. Here's the evidence for why they shouldn't jump to surgery.