Oceans cover more than 70% of the Earth’s surface. They drive weather patterns for the entire globe, and absorb a vast amount of carbon dioxide. And yet — we know so little about them.

Laura Trethewey’s “The Deepest Map: The High-Stakes Race To Chart the World’s Oceans” introduces this human-interest story as a way to kick off a much larger discussion about humanity’s ...

Scientists have been charting the color of the oceans since the 1990s. They are using wavelengths of light that are absorbed and reflected by organisms in the water.

This week on The Pulse: oceans are Earth’s defining feature, its largest ecosystem, and the engine that powers our planet.

In 2008 the United Nations designated June 8 as World Oceans Day, “a day for humanity to celebrate the ocean.” Since then, it’s had about as much to do with the ecological economic and human ...

When National Geographic caught up with her in California, Mason explained how a woman named Marie Tharp was one of the first people to chart the ocean floor; how 3-D models created by a top ...

They noted that the pH of ocean water today was about 8.1, but by 2100 – if CO2 levels rose to 930 from 400 parts per million today and if the current trend continued – this would drop to 7.8.