In the run-up to the exercises, it was feared that one Russian hypersonic-capable Yasen-class submarine came within firing ...

Beneath the waves, submarines move like secret agents of the sea. Their job is to stay invisible, and to do that, they must dodge two clever trackers—radar in the air and sonar in the water. Radar is ...

The age of diesel-powered submarines began in 1912, and these subs dominated the waters for more than 40 years, through both World War I and World War II. In the U.S., this era ended when the last ...

Internal combustion engines have long been at the heart of automobiles, serving as their main driving force over the decades. Traditionally, combustion engines rely on a configuration of cylinders and ...

Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...

Following the Hungarian GP, Yamaha have announced their plans to debut its long-awaited V4 engine at the San Marino GP this year. Test Rider Augusto Fernandez is set to race the new prototype machine ...

Hartzell's new five-bladed, carbon-fiber propeller received FAA Part 35 certification, making it the first of its kind for electric and hybrid-electric aircraft. Designed for high-performance and ...

ABBEVILLE, LA - After seven decades of providing vital services to boaters and those in the oil and gas industry, Toups Propeller Service in Abbeville closed its doors. Gerold Terpening, the ...

A model of the Hanwha Ocean's Future Submarine concept on display at MADEX 2025. (Janes/Ridzwan Rahmat) South Korea's Hanwha Ocean has unveiled a vessel concept known as the Future Submarine, which ...

INDIANAPOLIS — Team Penske was fast for a second straight day in Indianapolis 500 practice but didn’t top the board as Alex Palou, the driver everyone has been chasing this season, posted the best lap ...

Denny Hamlin's day ended early in the Wurth 400 at Texas Motor Speedway when his engine failed on lap 74, coming to the end of the first stage. Hamlin was on a 21-race streak of finishing on the lead ...