A new striped Osteogaster (Siluriformes: Callichthyidae) from the Madeira and Tapajós river basins, Brazil, with a new generic diagnosis and an identification key to the species of Osteogaster ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

Brazil is a land of extraordinary contrasts, where nature roars, colors dance, and ancient heritage blends seamlessly with modern vibrance. In this journey through the country’s most awe ...

The new species has been found in two small isolated waterways in Brazil’s Atlantic Forest, according to a study.

A new species of fossorial catfish without dorsal fins, Listrura elongata, was discovered in Southern Brazil in small tributaries in the Rio Camboriú basin.

As oil companies push for drilling on the Amazon coast, an underwater war silences the ocean’s most vocal creatures.

Dust from the Sahara Desert, once a massive lake, travels across the Atlantic Ocean. This dust, rich in potassium and iron from dead diatoms, fertilizes the Amazon rainforest. The Amazon River ...