By the 2030s, the world’s oceans may become as transparent to sensors as the skies became to radar in the 20th century. With ...

Stealth may soon be an impossible feat for submarines, after scientists found a way to detect even the quietest underwater vessels For US submarines operating in waters near China, the era of absolute ...

In a naval exercise, a modest $100M Swedish submarine stunned the U.S. Navy by “sinking” a $6B supercarrier — a result that reshaped views on stealth warfare.