Scientists discovered that this piranha-like fish had been masquerading as another species for years.
Conservationists have been left puzzled by the discovery of an invasive species of squirrel on a Scottish island.
Paleontologists have identified a huge species of ichthyosaur from fossils found on a British beach.
Scientists have discovered more than 50 new species of weird and wonderful creatures in the Pacific depths.
A strange and rarely seen type of sea creature has been appearing more and more frequently along the coastline.
It is now believed that some of the fossils once thought to be young T. rexes are actually adults of a separate species.
Jaime Maussan is back in the limelight once again, this time claiming that the mummies are 'definitely not human'.
Native to the Solomon Islands, the rat hadn't even been recognized as a real species until relatively recently.
The well-preserved tracks were left in the silt by a species of bird that would have made even today's ostriches seem tame.
In a world first, scientists have succeeded in recovering RNA molecules from a preserved Tasmanian tiger specimen.
The serpent, which was found in the remote mountains of Peru, has been named in homage to Ford's most famous character.
The animal, which was standing at the side of the road, closely resembled a lynx or other species of wild cat.
A rare and fascinating species of jellyfish has been spotted during recent efforts to explore the seas of the Antarctic Peninsula.
Researchers have discovered that a species of cicada exhibits the first and only known example of 'superpropulsion' in nature.
Authorities in the state have moved to warn residents of the dangers posed by these tiny communal insects.
A conservation researcher believes that a rarely seen species of bear could account for sightings of the legendary creature.
Palaeontologists have unearthed what is thought to be the leg bones of the largest species of bird to ever live.
A fisherman recently reeled in a rather strange looking shark and nobody is quite sure what species it is.
A species of moth with a wingspan of up to 14 inches has been spotted by a professor in Washington state.
The new multi-million dollar endeavor will attempt to bring the extinct species back to life via genetic restoration.