UNSW School of Chemistry Professor Dr Jon Beves says testing will commence to investigate what the mystery balls shutting down Sydney’s beaches are composed of. Nine Sydney beaches have been ...

An analysis of balls that washed up on Sydney beaches earlier this month found they were made of soap scum and cosmetics. Other small items, including pharmaceuticals and traces of animal faecal ...

Months after mysterious black balls forced the closure of some of Sydney's most famous beaches, small marble-like debris has begun washing up on the city's shores again. The balls - this time grey ...

Nine beaches across Sydney were closed on January 14 after the marble-sized white and grey balls started washing up along the shore, leaving authorities and scientists alike stumped as to their ...