The natural world holds plenty of secrets. Researchers stunned after netting 'vanished' species 80 years after last sighting: ...

Known for its unique vocalizations, this wild dog that was once thought extinct, was rediscovered in 2020, and has a population of around 200 in 2025.

A forgotten fossil in a German museum turned out to be a rare Diatryma skull. Scientists corrected a decades-old misidentification.

A species of grasshopper native to Appalachia, believed to be extinct, was spotted last year in Augusta County. It’s among several rare and never before seen plants and animals that were discovered in ...

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Australia's most endangered marsupial and rarest marsupial in the world, the Gilbert's potoroo, is back thanks to 30 years of ...

The South Island takahe (Porphyrio hochstetteri), declared extinct by ... efforts can bring a species back from the brink of extinction. From just a small population rediscovered in 1948, the ...

Photo from Getty Images / iStockphoto A pair walking along the coast of a less-populated island in Hong Kong noticed some animal droppings — and rediscovered a mammal considered locally extinct ...