Oceanography

Earth’s atmosphere: Why do levels of carbon dioxide vary over millennia?

A&M team discovers life 2,600 feet below Indian Ocean’s seafloor

Core samples help geoscientists reveal history of ocean circulation

What killed the colorful coral reefs in this Gulf of Mexico sanctuary?

Expedition searches for new clues about South Pacific’s ancient climate

VIDEO: Can we forecast a weather disaster—years before it happens?

Coral reefs require microorganisms to sustain growth, researchers find

Depleted seamounts are recovering near Hawaii, new evidence suggests