Animal shelter staff often misidentify dogs as pit bulls, solely based on appearance. As a result, they are less likely to be adopted.
Vast genetic changes can occur in hatchery-raised fish in as little as one generation, according to the latest study from Oregon State University. This poses a significant threat to wild populations that come in contact with their genetically unique relatives.
A new beetle species from Central America has been found with a never-berfore-seen heart-shapped leg joint. Since only males have been found, researchers have yet to determine what exactly the peculiar joint is used for.
Researchers have discovered a new species of poisonous flower that has been trapped in amber for the last 20 to 30 million years.
With years of selective breeding, scientists in South Africa have revived an extinct sub-species of zebra, known as the quagga.
Fossils of a giant, flightless bird have finally been analyzed, and confirm a prehistoric species known as Gastornis roamed the Arctic 53 million years ago. While the climate was much different then, scientists warn that climate change could one day invite more diverse species to the North.
For years, desert tortoise populations in Mexico remained grouped under two species. However, a new study has identified a third individual among the bunch.
Australian researchers recently found two new, remarkably large bent-toed geckos in New Guinea. Among the individuals is the largest species known to date, which has a name that translates to "king."
As rhinos evolved and grew bigger they became more susceptible to bone diseases, including degradation, inflammation and infection.
Researchers have found and identified for new species of algae in Hawaii. However, the specimens were found at unexpected depths and closely resemble those found in much shallower waters.
From giant water bugs to pythons and leeches, "Wild Things" star Dominic Monaghan goes on quite the adventure in Vietnam this week.
Researchers recently unearthed two new plankton-eating fossil fish species, of the genus called Rhinconichthys. This discovery triples the number of known species.
Footage of the only known wild jaguar in the U.S. was recently released by the Center for Biological Diversity. The big cat can be seen alive and well, lurking through wooded areas and across a mountain creek. However, researchers warn the animal's habitat is threatened by a proposed mining site.
Over a decade's worth of research has revealed 14 new tarantulas in U.S., which is now home to a total of 29 species. One of the new spiders found in California was named after the late popular singer-songwriter Johnny Cash.