Philippine brown deer has been spotted again in Marinduque after decades. Scientists believed this species had gone extinct ...

Green sawfish, a ray distinguished by its long, tooth-studded snout, may now be extremely rare in Sri Lankan waters and could be close to local extinction. The IUCN Red List now flags the species as ...

Extinction can be a hard reality to confront. It’s one thing to learn about animals like the woolly mammoth or the dodo, ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are nowhere to be found. From human activity to climate change, new animals ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A rare sighting on a trail camera has given conservationists hope that a critically endangered animal is ...

It's not every day we get to spot an elusive and endangered animal, but the Cleveland Museum of Natural History managed to catch a fisher on camera. The caption details, "Trail camera spotted the ...

Once in a while, an animal shows up where it’s least expected, including places from where it was thought to have gone extinct. These rare sightings bring hope — but also fresh concerns. These are ...

Lost marsupials have been found alive in New Guinea after 6,000 years, highlighting hidden biodiversity and conservation ...