Thursday marks the 20 th anniversary of the 2004 Indian Ocean tsunami, one of the deadliest natural disasters in modern history. The Boxing Day quake was one of the largest ever recorded.

Our ocean is in serious trouble. Heating, pollution, acidification, and oxygen loss pose serious threats to the health of the ocean and to all living beings who call this vast planetary resource ...

A 1,000-tonne ship is exploring the far-flung South Pacific for riches buried beneath the waves, spearheading efforts to ...

The ocean is slightly basic. Prior to the Industrial Revolution of the 18th to 19th centuries, the ocean’s average pH was about 8.2. Today, the ocean’s average pH is 8.1. This means that the ocean ...

Ocean acidification is a consequence of increasing carbon dioxide (CO 2) emissions, a greenhouse gas driving climate change. The ocean absorbs around one third of all human induced CO 2, causing a ...

The ocean is changing colors, researchers say. Here's what it means. Warming waters are causing the colors of the ocean to change -- a trend that could impact humans if it were to continue ...