The abundant biological and mineral diversity of the Rio Grande Rise, a seamount in the depths of the Atlantic Ocean about 1,500 km from the coast of Brazil, is probably due to a great extent to ...

Part of an undersea plateau about 750 miles off the coast of Brazil was once a tropical island above the ocean. This submerged island is rich in ferromanganese crusts, which contain valuable elements ...

MISSION, Texas -- A U.S. surveillance helicopter hovering over the Rio Grande spots a body floating near a muddy bank on the Mexican side of the river. Soon, another body turns up, then another. An ...

In 2018, Brazilian and British scientists were exploring the seafloor around a volcanic plateau known as the Rio Grande Rise when they spotted rocks that looked like they belonged on dry land.

The South Atlantic Ocean holds many secrets, and one of them is currently being uncovered by scientists who have spent over a decade researching the mysterious Rio Grande Rise (RGR), a submerged mass ...

A study led by scientists at the University of São Paulo (USP) in Brazil has shown that the Rio Grande Rise (RGR), a possibly continental basaltic plateau and chain of seamounts now submerged in the ...