Get all the news you need in your inbox each morning. The vaquita is the rarest animal in the world and the rarest marine ...

The death of the world's last ... considered critically endangered, some with fewer than 100 left. Last male northern white rhino dies Can you be sure an endangered animal has gone extinct?

Out of all the incredible types of animals on our planet ... To show you what we mean, let’s meet some of the rarest wildcats in the world.

Anton van Helden, an expert on some of the world’s rarest whales, was sitting on the couch in July recovering from surgery, ...

This isn't the only recent sighting of an extremely rare animal. From a whale that hasn't been photographed in 150 years to an eyeless spider, here's a look at some of the world's most elusive ...

Only seven spade-toothed whales have ever been identified, and the species has never been seen alive. After one washed ashore ...

Arizona is home to unique and rare creatures including jaguars, ocelots and condors. However, 48 species are endangered or ...

Among them were spider tortoises, radiated tortoises, ring-tailed lemurs and brown lemurs, all listed among the world’s “most endangered” animals under the Convention on International Trade ...

One of the world's rarest cats, the Iberian lynx ... there were a total of 14 clusters where the animals were stable and reproducing. Of those, 13 were located in Spain and one in Portugal.

which presents real challenges for researching these marine animals. "This one is the rarest of the rare -- only the seventh specimen known from anywhere in the world, and the first opportunity we ...