Donald Trump doesn't have one foreign policy – he has several, and they all clash.
As tensions between the US and Russia escalate, both sides are developing technological capabilities, including artificial intelligence that could be used in conflict.
Turkey's priorities in Syria just don't match the US's – and its increasingly authoritarian domestic politics don't help.
Surveys of Iranian public opinion from the University of Maryland suggests that Trump's strategy on the nuclear deal – no matter how you interpret it – is based on wishful thinking.
What should America's role in the world be? A lot of people have an answer, but few of them agree.
Donald Trump has put translators and interpreters the world over in an ethical quandary. Sad!
A new candidate to be the US assistant secretary of state for Africa has ideas that are both refreshing and worrying.
By rolling back chunks of the Obama deal with Cuba, Donald Trump is giving up just the sort of opportunities he promised to seek out.
The president restored restrictions on Americans' travel to Cuba and prohibited transactions with its military. Here's why, and what's to come.
For all the president's unpredictability, America's core interests remain the same.
Trump's decision to pull out of the Paris Agreement strains international relations further and strengthens the resolve of other countries to move forward on climate without the US.
Having campaigned on a promise to focus on problems at home, Donald Trump is realising how important the US's global supremacy is.
The Trump administration is facing a tough choice.
Great powers are often deadly rivals, but their leaders can still learn to communicate properly.
Since World War II, the US and Mexico have successfully worked together on issues like trade and migration. If Trump refuses to treat Mexico as a partner, how bitter will the breakup be?
Great powers have always meddled in each other's business and struggled to reconcile their interests. Why are we convinced Russia is different?
Policymakers need to think outside the narrow confines of what has been regarded as “America first" policy postures that have dictated Australia’s foreign policy choices.
As the Trump era begins, Australian are having an overdue debate about the need for greater self-reliance at a time when American power may be receding.
The frenzied response to this year's most examined courtesy call played right into Beijing's hands.
In the heat of the moment, there can be a temptation to overstate the importance of events. But Trump’s election marks the end of an era. Asia’s international politics have entered uncharted waters.