Researchers in Greenland used a 10-kilometer fiber-optic cable to track how iceberg calving stirs up warm seawater. The resulting surface tsunamis and massive hidden underwater waves intensify melting ...

Spotting undervalued stocks is easy in hindsight, but the hard part is finding them in real time — and before the rest of the market does. Many, or all, of the products featured on this page are from ...

In this video, astronaut Tim Peake uses an alarm clock to help explain how sound travels. Waves are reflected, refracted, or absorbed. Waves, such as ultrasound, can be used in medicine and other ...