Near a waterfall in southern China, a "wide"-mouthed creature with "diamond-shaped patterns" swam through the water. Its "large" eyes scanned the rocky riverbed, but it wasn't the only one looking ...

Scientists found an “armored” creature with a “tall” head in the Tocantins River and discovered a new species, a study said. Photo from Felipe Araújo In a river of northern Brazil, an “armored” ...

Scientists found a “silvery” river creature in “a remote region” of Brazil and discovered a “potentially rare” new species, a study said. Photo from Bruno Melo CORRECTION: This story has been updated ...

In a river in eastern China, an “immaculate” creature with “fleshy” lips swam through the fast-flowing water. Nearby scientists spotted the patternless animal — and discovered a new species.

A river that flows in Pennsylvania is one of the oldest around, so it stands to reason that massive prehistoric beasts once ...

Scientists found a “large”-eyed river creature with “diamond-shaped patterns” in China and discovered a new species, a study said. Photos from Zheng and Chen (2025) Near a waterfall in southern China, ...