At least six people have been killed after a tourist submarine sank off the popular Egyptian Red Sea destination of Hurghada, according to local authorities. Egypt’s Red Sea governorate confirmed that ...

Higher carbon-dioxide levels in the atmosphere change all these things. The gas’s mere presence acidifies seawater. Its ...

Submarines need to operate stealthily and quietly. In some areas, warming waters and changing salinity levels could make that easier.

The Kalibr cruise missile, which has a range of up to 1,550 miles, has seen extensive use in strikes against Ukraine.

Imagery released by the U.S. Navy shows the aircraft carrier, USS Carl Vinson, was in the Sea of Japan near Russia earlier ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

New imagery of an intriguing Chinese amphibious bridging system provides more detail on notional approaches for a ...

US threats to abandon Ukraine and European allies leads to one outburst of anger. Experts say they could lead to more.

Despite centuries of efforts to map our planet precisely, our view of the world will always be political and imperfect.

Volodymyr Zelensky has said Ukraine’s nuclear power plants “belong to the people of Ukraine” after Donald Trump said the US ...

China has increased its defence budget by 7.2% for 2025 as the PLA undergoes reforms, focusing on efficiency and ...

Options for the combat element of the 10th Carrier Aviation Brigade include the newly delivered Shenyang J-35 for the ...