However, the Port Authority of NSW said no oil spills had been reported by vessels. Experts have said the tar balls could be ...

The small, marble-sized balls were initially labelled “tar balls”, but their exact composition was actually a mixture of cooking oil, human faeces and other chemicals (including illicit drugs).

A fearsome trio of high humidity, rainfall and fog helped Mother Nature deliver a tar spot gut punch to corn in many Midwest fields last summer. “We knew it could easily take out 50 bu.

A UNSW scientist has criticised the NSW environmental watchdog for dropping its investigation into the cause of hundreds of tar balls appearing along Sydney's beaches. The criticism follows more ...