The toothy animal was one of two new species found in the same river systems, researchers said.

Scientists found a predator with “sharp” teeth and white eyes in a river of Bolivia and discovered a new species, a study said. Photo from Getty / iStockphoto In a river of northern Bolivia, a ...

‘Large’-mouthed river creature — with giraffe-like pattern — discovered as new species 1-foot sea creature with ‘sharp’ teeth found lurking in crevices. It’s a new species ...

Scientists searching for an extinct fish found a “large”-headed river creature and discovered a new species, a study said and photos show. Photo from Zarei, Mathebula and Chakona (2025) In a ...

Officials in Colorado are sounding the alarm over the presence of an aggressive invasive species that poses a serious threat to local wildlife. According to a press release from Colorado Parks and ...

BOISE, Idaho — Southern Idaho's sprawling Snake River Plain has been harboring a distinct species of squirrel that's emerged from the underground. Researchers have identified a new species of ...

Scientists found a “large”-mouthed river creature, sometimes kept as aquarium pet, in Zambia and discovered a new species, a study said. Photo from Adrian Indermaur In a river of southern ...

Minks, beavers and 60 species of fish tell a story of recovery in the Chicago River Ahead of dyeing the river green for St. Patrick’s Day, we look back at what has made the river healthy again ...

An invasive species capable of wiping out entire aquatic ecosystems and causing millions of dollars in damage to infrastructure has been found for the first time in the Colorado River, the most ...

A highly invasive species has been found colonizing the Colorado River, which could be catastrophic for native ecosystems. The larvae of these invasive zebra mussels—known as zebra mussel ...

BOISE, Idaho — Southern Idaho's sprawling Snake River Plain has been harboring a distinct species of squirrel that's emerged from the underground. Researchers have identified a new species of ...