The Negro River drains about 10% of the Amazon basin and is the world’s sixth-largest by water volume. Manaus, the biggest city in the rainforest, is where the Negro joins the Amazon River.

Images of one of the Amazon River’s main tributaries, the Negro River, show just how dramatically water is dwindling. When The Associated Press photographed the Negro River and surrounding areas ...

Huge tributaries that feed the mighty Amazon River — the largest on the planet — have plunged to record-low levels, upending lives, stranding boats, and threatening endangered dolphins as ...

Water levels in the main tributaries of the Amazon River have fallen to record lows as drought worsens across Brazil. Some central areas of the country have had no rain for more than 150 days.

MANAUS, Brazil (AP) — One of the Amazon River’s main tributaries has dropped to its lowest level ever recorded, Brazil’s geological service said Friday, reflecting a severe drought that has ...

The world’s largest river system, the Amazon, which sustains some 30 million people across eight countries, is drying up. The banks of the Amazon River this month in Colombia. Colombia’s ...

Huge tributaries that feed the mighty Amazon River — the largest on the planet — have plunged to record-low levels, upending lives, stranding boats, and threatening endangered dolphins as drought ...

The Amazon River has seen its levels in Colombia reduced by as much as 90 percent, a government agency said Thursday, as South America faces a severe and widespread drought. The river—the world ...