Ticks, tarantulas and unchartered territory, oh my! A UK explorer has discovered the source of an uncharted Amazon river and two waterfalls, accomplishing this feat all while being stalked by a ...

The port of Manaus, the region’s most populous city, at the meeting of the Rio Negro and the Amazon River, recorded 13.59 meters (44.6 feet) of water on Monday, compared to 17.60 a year ago ...

MANAUS, Brazil — Dark clouds rumble over the tiny Amazon River community of Nossa Senhora do Livramento. After two years of devastating drought, you might think that residents in this parched ...

Then, in 1971, a National Geographic expedition led by Loren McIntyre identified the snow-capped peak of Mismi (map) as the headwaters of the Apurímac River and the ultimate source of the Amazon.

Every spring when the rains fall in South America, the Amazon River and its tributaries begin to spill their banks. Eventually, thousands of square miles of rainforest are flooded, creating a vast ...

In 1846, according to the atlas “Maps of Useful Knowledge,” the Amazon was the world’s longest river, at 3,200 miles; the Nile came in at 2,750. More recently, Brazilian researchers have ...

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 Negro River drains about 10 per cent 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.