The United States and Iran have offered sharply different accounts of the sinking of an Iranian warship in the Indian Ocean.

What happens when a navy loses its biggest hidden missile magazines before enough replacements are in the water? That ...

The United States has taken a step toward a 21st-century renaissance in civilian nuclear power as the Nuclear Regulatory Commission (NRC) has given the go-ahead for TerraPower's Natrium Gen IV reactor ...

The presence of Australian personnel on a US navy vessel that sank an Iranian ship in international waters has “dragged’ Australia into an “illegal war”, a Senator has warned. Anthony Albanese ...

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

From the hand powered Turtle of the American Revolution to modern nuclear submarines, this explores the engineering that lets submarines remain hidden for months. Inside the reactor, oxygen systems, ...

US Navy awards $255M contract to modernize Trident II fire control, ensuring compatibility with Ohio and future Columbia ...

In the 1970s, the USSR had an undersea cable connecting a major naval base at Petropavlovsk to the Pacific Fleet headquarters ...

Iran is launching more missiles at Israel as attacks in the Middle East commence for a sixth day. Israel announced multiple incoming attacks early Thursday and said it was moving ...

A US submarine sank the Iranian frigate IRIS Dena off the southern coast of Sri Lanka on Wednesday, killing 87 people. The ...

The Iranian warship that was sunk in the Indian Ocean likely didn’t have the technology needed to defend itself against submarines.

China has been developing new submarine technology and a bigger, better fleet that is gaining on the U.S. and its ...