Take a deep dive into the ocean’s secrets. ExtremeTech reveals its hidden layers and life forms. Discover the depths of our ...

Satellite data has enabled researchers at the U.S. Geological Survey (USGS) to develop a new way to measure ocean depth. The technique, which uses imagery captured by the Landsat program, works ...

Identifying the seven continents, five oceans, the Equator ... After watching the film, teachers could use a base map to explore the make up of the world and where the features explored in ...