While America's national parks are known for majestic scenery and bucket-list adventures, some of their most extraordinary residents are rarely seen – and critically at-risk. Scattered across rugged ...

Our planet teems with an estimated 8.7 million species, yet a heartbreaking number of them exist in such small populations that most people will never see them outside of a photograph. These are ...

The Sumatran rhino is the world’s smallest and hairiest rhinoceros species—and one of the rarest mammals on Earth. Credit: ...

Information on Earth's biodiversity is increasingly collected using DNA-, image- and audio-based sampling. At the same time, new statistical analysis methods are being developed to make more out of ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

Add Yahoo as a preferred source to see more of our stories on Google. Louisiana is home to about 48 species and subspecies of snakes, and seven of them are venomous. The vast majority of snakes in the ...

Learn about B. dorsalis, a previously unknown species of parasitic wasp from Europe that has now been discovered in the U.S. Thanks to efforts from scientists and everyday citizens, two rare species ...

The Chel snakehead, also known as the Channa amphibeus, was rediscovered in the town of Kalimpong in West Bengal mapress A rare fish species thought to be extinct for over 80 years was rediscovered in ...

TOPEKA (KSNT) – Some fish are harder to catch than others in Kansas but a rare few species are considered truly unusual to come across by the public or anglers casting lines at their favorite fishing ...