The United States and South Korea agree to strengthen Seoul's defenses and Washington gives a nod to billions in arms sales to the country.

Iran has dismissed a US demand for United Nations nuclear inspectors to visit its military bases as “merely a dream”.

The US State Department has officially informed the United Nations it will withdraw from the Paris Climate Agreement in a document issued on Friday, but left the door open to re-engaging if the terms improved for the United States.

Here is the list of top ten most expensive beaches in the US.

South Korean President Moon Jae-in returns from an official visit to Washington with two ancient royal seals looted during the Korean War, reports say.

A Russian-owned group of companies agrees to pay nearly $6 million to settle US civil allegations that the firms laundered proceeds of a $230 million tax fraud, ending a politically charged case days before it was set to go to trial.

A senior North Korean diplomat who handles relations with the United States says Pyongyang would have dialogue with the US administration if conditions were right, South Korea's Yonhap news agency reports.

US Commerce Secretary Wilbur Ross says that threats of retaliatory trade actions from Canadian officials "are inappropriate" and will not influence final US import duty determinations on Canadian softwood lumber.

China says tension over North Korea had to be stopped from reaching an "irreversible and unmanageable stage" as a US aircraft carrier group steamed towards the region amid fears the North may conduct a sixth nuclear weapons test.

The United States dropps a massive GBU-43 bomb, the largest non-nuclear bomb it has ever used in combat, in eastern Afghanistan today against a series of caves used by Islamic State militants, the military say.

The chairman of the House intelligence committee announces that he is temporarily stepping aside from the panel's probe into Russian meddling in last year's presidential election.

Sitting out last week's Miami Open was rejuvenating for Novak Djokovic although it meant missing the chance to win a record seventh title in the tournament, Serbia's world number two said on Tuesday.

The United Nations is holding an emergency meeting as the world expresses horror at the suspected chemical weapons attack in northern Syria that killed dozens of people and left others gasping for breath and convulsing in the streets and overcrowded hospitals.

Czech second-seed Karolina Pliskova will face Caroline Wozniacki in the semi-finals of the Miami Open after the pair triumphed on Tuesday at Key Biscayne.

The United States remain in contention for a spot at next year's World Cup after Bruce Arena's side battled to a scrappy 1-1 away draw against Panama in CONCACAF qualifying on Tuesday.

Rafael Nadal came back from an awful first set to defeat Germany's Philipp Kohlschreiber 0-6, 6-2, 6-3 and advance to the fourth round of the Miami Open on Sunday.

A Republican bill to dismantle Obamacare has been pulled by US House Republican leadership.

A US drone air strike in Afghanistan has killed a Pakistani militant accused of involvement in a deadly attack on a bus carrying Sri Lanka's cricket team in 2009, Pakistani security sources and Islamist militants said.

Britain and the US ban laptops and tablet computers from the passenger compartment of flights from several Middle East and North African nations.

The US state of California allows autonomous car tests by easing its rules for testing of vehicles in which there is no human driver.