Australian Prime Minister Anthony Albanese speaks at the Sydney Opera House during a National Day of Mourning for the victims ...

Video of a US submarine sinking an Iranian warship looked "remarkably similar" to a 1945 US submarine attack, a World War II ...

At least three Australian defence personnel were aboard the US submarine that sank an Iranian warship with a torpedo in the Indian Ocean, country’s prime minister Anthony Albanese said on Friday. The ...

The US Navy is preparing its future ballistic missile submarine fleet to operate the ...

The incident took place on March 4 in international waters about 40 nautical miles off Galle on Sri Lanka's southern coast ...

Prime Minister Anthony Albanese’s disclosure about the attack in the Indian Ocean prompted concern that Australia’s close ...

The U.S. and Israel struck Tehran and other Iranian cities in airstrikes on the fifth day of the war with Iran. Here's what you need to know.

The US submarine strike on an Iranian warship in the Indian Ocean marked a sharp escalation in the war between the two nations, raising fresh security and economic risks across ...

Two Russian TU-142 military aircraft were tracked near Alaska and Canada.

Breaking through Arctic sea ice is one of the most demanding feats in naval operations. During the multinational ICEX exercise, US Navy submarines locate thin ice using upward-looking sonar before ...

An unidentified US submarine torpedoed and sunk the IRIS Dena, an Iranian Navy frigate, off the coast of Sri Lanka on Tuesday.

The prime minister has confirmed three Royal Australian Navy personnel were on board a US submarine that sank an Iranian ...