The Japan Agency for Marine-Earth Science and Technology and the Brazilian government announced Tuesday the discovery of a large mass of granite on the seafloor near Rio de Janero — a landmark ...

A lionfish with relatives in the Caribbean has been speared off the coast of Brazil, marking the furthest point south ever documented for the invasive species and raising new concerns about its ...

One of the most damaging invasive species in the oceans has breached a major barrier – the Amazon-Orinoco river plume – and is spreading along Brazil’s coast. Scientists are trying to catch up.