Oil prices slid as investors dial back fears of a supply shock after Donald Trump said Iran was "seriously talking" with Washington over the weekend.

Many people in Tehran and Tel Aviv are worried that Trump will make good on his threats to attack Iran again, but for some, it's fear laced with hope.

The US president says he has told Iran it has to do "two things" to avoid military action, as the US builds up its forces in the Gulf.

Tensions have continued to rise between the two nations after the Iranian regime’s brutal crackdown on nationwide protests left thousands dead.

As President Trump warns that “we have a lot of very big, very powerful ships sailing to Iran right now,” our national security correspondent David E. Sanger breaks down what to know.

Iran's president accused President Donald Trump, Israeli Prime Minister Benjamin Netanyahu and European leaders of trying to "fragment society."

President Trump’s “massive armada” of warships and fighter planes near Iran mirrors the military buildup of assets in the Caribbean as the president weighs greenlighting strikes against the Islamic Republic.