Legal experts say a U.S. submarine’s deadly attack on an Iranian warship does not appear to have violated international or ...

Officials in New Delhi say that an Iranian warship that was sunk by a U.S. submarine near Sri Lanka had participated in naval exercises hosted by India before heading out into international waters in ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

If you've ever skipped physical therapy assignments, you're not alone. A new survey suggests that as many as 75% of people in physical therapy fail to complete their exercise programs at home, ...

Getting your Trinity Audio player ready... The evidence is clear: Exercise has mental health benefits, although studies have come to different conclusions about how large it might be. And yet, when ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

Holly Williams is a CBS News senior foreign correspondent based in the network's CBS London bureau. Williams joined CBS News in July 2012, and has more than 25 years of experience covering major news ...

Add Yahoo as a preferred source to see more of our stories on Google. In Europe's high north, America's NATO allies are practicing hunting for Russian submarines, with Norway, Spain, Germany and ...