Thousands of the strange balls first began appearing in mid-October, including at the city's famous Bondi Beach, leading to ...

The New South Wales Environment Protection Authority (EPA) first warned Sydney residents to avoid swimming or touching the balls on October 17, after they were spotted at seven beaches including the ...

Scientists have solved the mystery of sticky black balls that began washing on beaches in Sydney, Australia last month.

Sydney’s famous Bondi Beach has been closed, joining several other popular swimming spots along the city’s picturesque east coast, after thousands of toxic tar balls washed ashore in recent days.

"We don't believe it's safe enough to be at the beach or swimming at the moment, until we can get the full clean-up done." The EPA has confirmed the spheres are tar balls. But what are tar balls?