Rivers in the heart of the Amazon rainforest in Brazil fell to their lowest levels in over a century on Monday as a record drought upends the lives of hundreds of thousands of people and damages the ...

Shocking photos shared on social media show the extent of a severe drought plaguing the Amazon. The Rio Negro in Brazil is suffering from low water levels as El Niño grips the region. The climate ...

Below-average rainfall - even through the rainy season - has plagued the Amazon and much of South America since last year, also feeding the worst wildfires in more than a decade in Brazil and Bolivia.

Researchers have found that water quality in Brazil’s Negro River, the second-largest tributary of the Amazon, remains largely excellent, the result of a sparse human presence and strong conservation ...

When the young naturalist Alfred R. Wallace left England to explore the New World in 1848, one of his key observations in the Amazon region was that large rivers were unsurpassable barriers for some ...

Last year’s record drought in the Amazon and less-than-usual rainfall since caused river water levels to drop rapidly, hindering navigation by barges carrying grains for export and cutting off ...

The rich organic matter that gives the largest tributary of the Amazon River, the Rio Negro, its characteristic black hue may provide fish with some protection from the negative effects of copper ...