In spring and summer, you might notice white foam on plants that looks like frothy spit on a plant. Reassuringly, it's not spit at all, but foam made by a harmless insect called a froghopper - also ...

A curious phenomenon springs up occasionally on New York's Finger Lakes: white foam, sometimes in miles-long swathes, almost as if a massive washing machine emptied out into the water. "These ...

Some believe white foam on Bengaluru roads is due to soapnut tree flowers. The streets of Bengaluru were covered in a mysterious thick, snow-like white foam after a heavy rainfall on Saturday.