A new study has indicated that resurrecting long-extinct species could ultimately do more harm than good.
Biologists have warned that up to a half of all species could be wiped out by the end of the century.
A worrying new study has shown just how vulnerable many of the world's primate species actually are.
A new theory has suggested that the dinosaurs became extinct because they couldn't hatch quickly enough.
Teams from Russia and South Korea are working together to bring the extinct species back to life.
Conservationists have warned that the world's fastest land animal is on the verge of being wiped out.
The world's tallest animal has suffered a worrying decline in numbers over the last three decades.
Dr Fergus Simpson maintains that humanity has a 13% chance of going extinct before the century is out.
Scientists have revisited the classic Mary Shelley novel to find out what it teaches us about extinction.
If things don't change soon the ongoing decline is likely to reach two-thirds by the end of the decade.
Chinese conservationists believe that they have spotted an extinct dolphin species in the Yangtze river.
It's a sad day for conservationists as the last known Rabbs' tree frog has died in captivity in Atlanta.
Scientists in Australia have identified a tiny marsupial lion which went extinct 18 million years ago.
A new study has suggested that the dinosaurs had already been dying out long before the asteroid hit.
Scientists have determined how deep-sea creatures survived the asteroid impact that killed the dinosaurs.
The largest shark that ever lived may have been driven to extinction by competition from other predators.
A new theory has suggested that the new planet could be responsible for periodic mass extinction events.
Being extinct hasn't stopped the elusive Tasmanian tiger from making an appearance every once in a while.
The woolly mammoth is not the only prehistoric beast that modern science could bring back to life.
Even if we do find a habitable planet, could its indigenous life forms have already died out long ago ?