The space agency took advantage of an optical phenomenon to gain new insights into the wind and waves of Peru's Lake Titicaca ...

Dangerous swimming conditions, patchy fog and isolated storms are expected this week in Illinois. Here's the forecast.

The National Weather Service said waves will build on July 6 and boaters and swimmers should use caution or even stay out of ...

Swimming is most comfortable in lake waters at about 70 degrees, according to Swimoutlet.com. While scattered thunderstorms ...