After a women's rights march in Auckland yesterday, hundreds of thousands of women have poured into Washington to do the same.

Now the world's most famous Tweeter is finally in office, what will it mean for your back pocket?

Within minutes of his inauguration Donald Trump's team posted a statement on the White House website announcing the "state-of-the-art" nuclear defence plan.

Donald Trump has been sworn as the 45th president of the US, after which he delivered a dark but ambitious speech promising to end "American carnage".

Donald Trump has angrily batted away suggestions that he is trying to get top-secret security clearance for his children, describing it as "a typically false news story".

The internet is having a field day with this spectacularly awkward gift exchange between Melania Trump and Michelle Obama. Michelle's face said it all.

Donald Trump has been sworn in as 45th President of the United States. Here's how the internet reacted to his big day.

OPINION: Trump has surrounded himself with people who are not fit for the job.

The effort to impeach President Donald John Trump is already underway.

COMMENT: Obama's farewell speech last weekend was a model of professionalism in references to the incoming President.

Every new US President has the right to start with the good will of opponents and critics.

The presidency is among America's most exclusive clubs. Its members' every decision, speech, interview and now tweet are reported around the globe.

While almost all eyes are on the Capitol, the most action occurs during the frantic residence changeover two miles away.

A former Apprentice contestant is suing Trump for defamation, just two days before he's sworn in as President.

President Barack Obama's first inaugural festivities stretched over five days. Donald Trump is spending barely three on his.

A week after becoming president-elect, Donald Trump stepped outside his namesake fortress here for the first time.

Vladimir Putin has come out swinging against the outgoing US administration over the explosive Donald Trump dossier.

COMMENT: An odd affliction seems to have affected PM Bill English in Europe: he has forgotten John Key's name.

German Chancellor Angela Merkel has given strong backing for the EU free trade deal with New Zealand, saying Germany would apply pressure in Brussels to hasten the talks.

Wading into foreign affairs days before his inauguration, US President-elect Donald Trump has taken aim at a key Western alliance.

When Donald Trump and his wife Melania had a son together 10 years ago, he was introduced to the world with typical bombast.

A-list stars aren't lining up to perform but President-elect will be surrounded by 'more poetic cadence'.

Hillary Clinton was the election favourite. What happened? Nicola Lamb writes that personalities, events and background factors doomed the Democrats.

"We perceive it as a threat. These actions threaten our interests, our security," says Russia as the first of thousands more US troops and tanks rolled in to Poland.

Like it or not, Donald Trump will be US President next weekend. And here's what you can expect during the first 100 days.

Whatever happens next week, Donald Trump will be like no other US president before him.

For the first time, a leading Democrat has called into question Donald Trump's legitimacy as president.

President-elect Donald Trump's national security adviser and Russia's ambassador to the US have been in frequent contact in recent weeks.

New Zealand lamb has been a bone of controversy in the United Kingdom, partly because it often undercuts locally grown lamb.

The nature of information that constitutes news is being changed by the digital age, not entirely for the better.