To stand at the edge of an ocean is to face an eternity of waves and water, a shroud covering seven-tenths of the Earth. Hidden below are mountain ranges and canyons that rival anything on land.

Very close, it turns out. This month National Geographic’s newest experience, “Ocean Odyssey,” opens in Times Square in New York City, bringing visitors face-to-face with humpback whales ...

The scientists found that ocean ... are coming at us faster." Global warming drives rising sea levels that threaten coastal communities, fuels more extreme weather and dries out land, compromising ...

The main source of ocean plastic pollution is land-based—80% of plastic in the ocean originates on land. But what does that really mean? Where is it coming from? There are three main ways plastic ends ...

Nutrient circulation Phytoplankton, like land plants, require nutrients such as nitrate or calcium. They also need iron, which is scarce in large areas of the ocean. But when whales defecate ...