There are many reasons why researchers are concerned about endangered species. After all, these species went extinct in just ...

Scientists examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ...

The researchers believe that the extinct animal, which could date as far back as 300,000 years, may be the smallest cat ever found. The newly identified species is part of the leopard cat genus ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer ...

Almost a quarter of freshwater animals, including crabs, crayfish, shrimp, damselfly and fish, are threatened of going ...

In a mass extinction event some 40,000 years ago, Australia lost 90% of its large species, including nearly two dozen kinds ...

The ‘alalā is the only surviving native crow species in Hawaii. Its decline is blamed on a loss of habitat due to logging, as ...