A senior Indonesian navy official suggested earlier this week that an "internal wave" may have pushed the KRI Nanggala 402 below its crush depth, causing the loss of the vessel and all aboard.

But a typical surface wave is 1 to 2 feet high, while a run-of-the-mill internal wave measures 15 to 30 feet out at sea, larger when it gets close to shore. Like the wind itself, ...

The earth is pretty awesome. And because it is Earth Day, I am going to celebrate one of my favorite Earth features: internal waves. I mean look at this awesome sequence of 3 internal waves groups you ...

Internal waves are generated when a strong wind passes over a steep hill. Air is lifted up and over the hill against the force of gravity, and then accelerates down the other side as gravity takes ...

Because an internal solitary wave occurred at that time in the north of Bali," he told Indonesian media this week. Indeed, navy officials say images from Japan's Himawari 8 satellite, ...

And not just that puny Hawaiian surf that is often tossing professional surfers. These are the biggest waves in the ocean and they can’t be seen from shore. They exist inside the ocean. These waves ...

"This is the first time internal wave velocities could be calculated from data acquired during a single overpass of a satellite," said Roland Romeiser, associate professor of ocean sciences at the ...

No cause has been established for the sinking earlier this month of the KRI Nanggala with 53 people aboard, but officials have suggested that it may have been due to an undersea wave.

Internal waves can create pretty cloud shapes in the sky, as well as making life unpleasant for passengers on aeroplanes. And in the oceans they can be a deadly hazard to submarines.

The oscillating motion is an internal wave. You can visualise this more easily by imagining a bouncy ball rolling off a step on an otherwise level floor. If you roll it fast enough, ...