The U.S. and Israel had a "flawed assumption" that the death of Supreme Leader Ayatollah Ali Khamenei would lead to the ...

U.S. President Donald Trump said Monday that the war with Iran began because that country was starting work on a new site for ...

Iran may not have a nuclear weapon—but it controls the Strait of Hormuz. Here’s why this narrow waterway could become ...

A website that lets users simulate a nuclear attack has seen an uptick in users amid the ongoing war with Iran.

Why is Southeast Asia becoming more vulnerable to nuclear risk even as it remains formally non-nuclear? Southeast Asia’s ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

Khamenei's deep alliance with the Islamic Revolutionary Guard Corps has raised concern that Iran's new leader will depart from his father's long-standing position against building a bomb.

Would Iran have been attacked by Israel and the United States if it already had a nuclear weapon? Israel is a small country ...

President Donald Trump has claimed that the 2015 Iran nuclear deal was "a road to a nuclear weapon" and the country "would be sitting with a massive nuclear weapon three years ago" if he hadn't ...

In 1994, astronomers witnessed one of the most dramatic events ever recorded in space when comet Shoemaker–Levy 9 smashed into Jupiter. Traveling at more than 216,000 km/h, the comet broke into 21 ...

Iran cannot be allowed to acquire nuclear weapons alongside a missile capability that could soon enable it to strike Europe, ...

Among the many justifications Donald Trump has presented for the US and Israel attacking Iran has been the supposedly imminent threat posed by its nuclear weapons programme. But how close was the ...