Fire ants are forming rafts to travel on flood waters across storm-ravaged Australia, aiding the spread of one of the world's most invasive species. Considered a super pest, fire ants can cause ...

Australia’s native meat ants are struggling. Invasive species of foreign ants have a foothold on the continent, and are increasingly outcompeting their native rivals for territory. Beyond simple ...

Another species, the yellow crazy ant (Anoplolepis gracilipes), is capable of forming so-called supercolonies that house hundreds or even thousands of queens. On Australia’s Christmas Island ...