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President Donald Trump is abroad for the first time as commander-in-chief, undertaking an ambitious agenda of diplomacy in five different countries. He's taken almost his entire senior team with him. Here's what to expect:

Royalty and celebrities gathered Saturday to watch as Philippa Charlotte "Pippa" Middleton, the younger sister of Catherine, the Duchess of Cambridge, married millionaire hedge fund manager, James Matthews, in Englefield, England.

Mina Chang: Trump's decision to cut foreign aid could create vulnerable communities that rely on terrorist organizations for resources.

Philippa Charlotte "Pippa" Middleton, the sister of Catherine, the Duchess of Cambridge, married millionaire hedge fund manager James Matthews on May 20, 2017, in Englefield, England.

Pippa Middleton, the younger sister of Catherine, Duchess of Cambridge, married hedge fund manager James Matthews at St. Mark's Church in Englefield, Berkshire. CNN's Erin McLaughlin reports.

Iranian President Hassan Rouhani has won re-election, according to state TV, defeating his conservative challenger Ebrahim Raisi.

Iranian voters flocked to polling stations Friday to play their part in an election that pits incumbent President Hassan Rouhani against strong conservative opposition.

Antarctica is home to ice, penguins and -- thanks to climate change -- rapidly increasing levels of moss, scientists say.

President Donald Trump has announced his intent to nominate Callista Gingrich, the wife of former House Speaker Newt Gingrich, to be the US ambassador to the Vatican.

Two Chinese Su-30 fighter jets intercepted a US Air Force radiation detection plane over the East China Sea Wednesday, according to the US Pacific Air Forces.

Sweden is dropping its investigation into WikiLeaks founder Julian Assange on rape allegations, according to a prosecution statement released Friday.

Its waves may be modest, but the community's passion is strong: Lebanon's popularity as a surfing destination is growing

China is talking up its achievement of mining flammable ice for the first time from underneath the South China Sea.

When British Prime Minister Theresa May announced her decision to call a general election, she said she was doing so in order to secure her own strong mandate, giving her the authority she needed to negotiate Britain's departure from the EU.

New video footage has emerged that shows Turkish President Recep Tayyip Erdogan looking on as Turkish security officials beat up protesters outside the country's embassy in Washington earlier this week.

Take a look at 25 photos of the week from May 12 through May 18.

As a medic with the U.S. Marines, Bob Adams put his life on the line for his men in some of the most intense battles of the Vietnam War.

Japan scrambled warplanes on Thursday after four Chinese coastguard ships and a drone aircraft entered territory it claims around disputed islands in the East China Sea, according to Defense Ministry officials.

Japan's cabinet approved a draft bill Friday that, if passed into law by parliament, will allow aging Emperor Akihito to abdicate.