Brazil’s northern beaches recently suffered from arrivals of sargassum blooms, a phenomenon affecting Caribbean nations that most scientists so far have associated with nutrients coming from the ...

A flash of pink breaks the muddy surface of the Amazon River as scientists and veterinarians, waist-deep in the warm current, patiently work a mesh net around a pod of river dolphins. They draw it ...

As oil companies push for drilling on the Amazon coast, an underwater war silences the ocean’s most vocal creatures. Petrobras has been conducting surveys since 2013 using seismic airgun blasts that ...