We asked our readers to send in their best pictures on the theme of "my best photo". Here is a selection of the photographs ...

Confronting images of dead seadragons, fish and octopuses washed up on South Australian beaches—and disturbing reports of "more than 100" surfers and beachgoers suffering flu-like symptoms after ...

Wildlife officials are warning the public of a toxic algae bloom affecting marine mammals along Los Angeles County beaches.

Green algae, from the division Chlorophyta, has between 9,000 to 12,000 species. While most of them occur in freshwater, ...

Microscopic red algae, responsible for a phenomenon also known as watermelon snow or blood snow, are proliferating due to global warming and in turn accelerating it ...

During red tide events, the researchers collected Karenia brevis bloom samples to analyze in a lab. They used a method called viral metagenomics, a process that determines the make-up of the sample’s ...

The algae blooms can be both harmful and expensive to deal with (AFP via Getty Images) “We know that viruses play an important role in the dynamics of harmful algal blooms, but we haven’t ...

Toxic foam from an algae bloom off the South Australian coast ... Picture: Instagram @andysmythy Photos from the scene capture toxic foam washing ashore one of the beaches – others documenting ...

A University of South Florida study linked viruses and red tide, and researchers now wonder if they can wield them to keep red tide at bay.

Dolphins, sea lions and seabirds are being found sick along beaches throughout Southern California, poisoned by an ...

A surfer in Oxnard, California, was pursued, attacked and bitten by a sea lion, an encounter sent him to the hospital and ...

“The only solution is for the whole world to get together and stop polluting the earth with carbon emissions,” says Hoggett. ...