Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

Species numbers alone do not fully capture how ecosystems are changing. In a global study, scientists analyzed long-term data ...

A new fish species has been recorded in Nebraska after a fisherman reeled in the colorful creature. "We hear about new species in Nebraska from time to time, but most of them are unwanted, invasive ...