By Julian Reingold The macroalgae pelagic sargassum is abundant in the Sargasso Sea, but since 2011, a recurrent Great ...

The Madeira River, a major tributary of the Amazon River that stretches for 3,300 kilometres (2,050 miles) over Brazil and Bolivia, reached its lowest level since monitoring began in 1967 this ...

The world's longest river is at its lowest levels after a long drought. That's left the Amazon Rainforest, the vital waterway and tributaries parched, stranding communities and affecting livelihoods.

The increased sargassum is attributed to renewed flow in the Amazon River following a drought. It's finally the time of year again — filled with spontaneous and relaxing beach trips, as well as ...

A drone picture shows floating houses and boats which are stranded due to the drought affecting the Rio Negro, the largest left tributary of the Amazon River, at the Cacau Pirera district in ...