Researchers believe that crows may be one of the few non-human species to possess a form of self-awareness.
Palaeontologists have discovered what is thought to be the earliest known ancestor of the modern-day gibbon.
Wildlife researchers discovered three huge turtles - which belong to a new species - near Gainesville.
Researchers in Indonesia have discovered a new species of giant isopod - a bug-like creature the size of a small dog.
Japan's answer to the legendary cryptid was first sighted during a mountain drive one night 50 years ago.
An ancient species of ant has been found frozen in time while right in the middle of devouring another insect.
Palaeontologists have discovered a prehistoric species of crocodile that walked on two legs instead of four.
The Hainan Gibbon, of which only a few dozen still survive, has received a welcome and unexpected boost.
Researchers have identified four species of bizarre deep-sea worm that have been named after Elvis Presley.
An invasive species of giant hornet has the potential to devastate honey bee populations, experts have warned.
A new species of green pit viper has been discovered during an expedition to a remote region of India.
The discovery of Neanderthal-made string has further cemented the idea that the species was highly intelligent.
Scientists have unearthed the fossil remains of three new species of prehistoric winged reptile in Morocco.
A new species of tyrannosaur that roamed the Earth 80 million years ago has been unearthed in Canada.
A freak accident has resulted in the deaths of four rare mountain gorillas in Uganda's Mgahinga National Park.
A gargantuan funnel-web spider that is double the normal size for its species has been discovered in Australia.
Remarkable silk structures created by an unknown species of spider have been puzzling scientists for years.
Every now and again, someone manages to sneak a fictitious species into a distinguished scientific journal.
Authorities are investigating what might have caused an entire flock of starlings to suddenly drop dead.
An investigation has revealed the fate of a holidaymaker who recently went missing off the island of Reunion.