Humans evolved to live on land, thus, whenever we enter the water we're at a distinct disadvantage, particularly when it ...

Wild animals are reshaping Earth’s surface more than expected, altering soil, rivers, and sediment movement across ecosystems ...

A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since ...

Freshwater life is vanishing at a pace that now rivals, and in some cases exceeds, losses on land and at sea. New global assessments show that roughly a quarter of animals that depend on rivers, lakes ...

In the wide, sandy stretches of Brazil’s Araguaia River, the piraíba, South America’s largest catfish, is a cornerstone of ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.

Freshwater fish are vanishing from the world’s rivers, with migratory species down 81 percent due to dams, pollution, and ...

Some of the most astonishing creatures on Earth hide deep in rivers and lakes: giant catfish weighing more than 600 pounds, stingrays the length of Volkswagen Beetles, 6-foot-long trout that can ...

Some of the longest, most important migrations of species on Earth are happening beneath the surface of the world's rivers ...

Over the last half century, populations of fish migrating through the world's rivers have dropped by 81 percent, according to ...