Earth's oceans are mysterious, largely unexplored places, but the enormous oceans of Neptune and Uranus have them beat.

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

Earth’s oceans are absolutely terrifying ... Another frightening fact about the ocean is that it is also extremely deep. So deep that picturing the ocean’s depth in your mind’s eye is ...

The Earth's tectonic plates—massive pieces of the Earth's crust that drift on the semi-fluid mantle beneath—are constantly in ...

The excess ocean warmth has had wide-ranging consequences. In April 2024, as the oceans started simmering, 77 percent of the world’s coral reefs became imperiled in the most extensive bleaching ...