An increase in shark sightings at an Adelaide beach has prompted a warning from authorities ahead of the Easter long weekend ...

Scientists have confirmed what caused the mysterious foam on South Australian beaches that killed marine life and caused swimmers and surfers to fall ill.

South Australia’s tourism industry is expected to receive a $200 million dollar boost over the Easter long weekend as holiday ...

A harmful algal bloom of Karenia mikimotoi made dozens of surfers sick and killed seadragons, fish and octopuses on two South Australian beaches.

Reports first emerged of a yellow and sludgy-coloured foam washing up on the Fleurieu Peninsula - including Waitipinga Beach, Parsons Beach, Cape Jervis, and Encounter Bay - in mid-March.

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 ...