In the vibrant yet fragile waters of the Gulf of Oman, spectacular phytoplankton blooms – visible even from space – unfold in ...

Toxic algae off the coast of Southern California is killing or sickening hundreds of sea lions, dolphins and seabirds, while ...

Though phytoplankton give the Hudson River a potentially unappealing greenish color, their presence indicates a healthy ...

Clean and safe lake water is an important part of the Finnish identity. In recent decades, interest in the condition of lake ...

And on one of their first trips of the new season, one whale-watching boat left Courtmacsherry and within minutes encountered ...

SeaWorld San Diego says rescuers are currently treating nine sea lions that were poisoned with domoic acid; one of the marine ...