Scientists say that a series of marks carved onto a freshwater clam shell represent the earliest known engravings made by a human ancestor. The zigzag lines visible in the photo above probably were ...

The fishermen had come for the giant clams, massive mollusks measuring as much as four feet across and weighing 500 pounds. Grinding their boat propellers against coral in the South China Sea, they ...

Earth warming will presumably not lead to a permanent El Niño state in the South Pacific Ocean. This is the conclusion drawn by an international team of researchers after it investigated ...

When Dan Killam was a little boy he saw the ocean as a world of its own, filled with mysteries to be discovered. His parents nurtured his natural curiosity with regular trips to aquariums and zoos.