South Australian beaches have been awash with foamy, discolored water and dead marine life for months. The problem hasn't gone away; it has spread.

This year’s winning images include a curious leopard seal, a swarm of jellyfish, and a very grumpy looking Japanese warbonnet ...

But tourism can replace fishing in the economy, helping preserve coral reefs ... no fish at all. “Mingaw,” one fisherman called, as the trap broke the surface. Empty. I winced as small ...

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A slew of commitments have been made at the UN Ocean Conference this week, with many governments using the opportunity to ...

More than 514 million years ago, long before dinosaurs roamed Earth, sponge-like creatures called archaeocyathids were ...

All this open water you see was once grassy.” That’s the way Lenore Tedesco, director of The Wetlands Institute, described what she could see from her office window overlooking Scotch Bonnet Island, a ...

The “large, conspicuous” animals are often seen by divers in the Galapagos Islands but went misidentified for over 180 years ...

As world leaders gather to address a global marine crisis at the UN Ocean Conference, scientists from the Woods Hole ...

Cleaner fish shape coral reef health by affecting where and how microbes spread. Removing them changed fish behavior.

From groundbreaking research to the beauty of marine sanctuaries teeming with life, these images shine a spotlight on the ...

A photo shows the yellow-gray coloring of the new species. Its fins are “pale pink,” and its sides have “bright green stripes ...