Scientists reveal Priocharax rex, a tiny Amazonian fish with a strange skin “wing” that redefines evolution in miniature.

Hidden in Bolivia’s seasonal wetlands, a small fish that scientists had written off as extinct for more than two decades has ...

The Amazon rainforest has yielded yet another new species, according to a recent study published in Zootaxa. Discovered in ...

There are 16 species of crocodiles in the world. While they all have sharp teeth, some are less dangerous to humans, while ...

You might think of Australia's arid center as a dry desert landscape devoid of aquatic life. But it's actually dotted with ...

Photojournalist Ami Vitale followed Przewalski’s horses—once declared extinct in the wild—on a 2,000-mile journey back to ...

"Before the land consolidations of the 197oS," Riegel continues, "we had hamsters, hares, partridges, orchards and vineyards ...