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 ?
A prehistoric species of giant ape went extinct because it couldn't adapt to its changing environment.
Scientists are hoping to breed hybrid tortoises in a renewed attempt to resurrect two extinct subspecies.
Researchers have warned that a deadly type of fungus could devastate banana crops around the world.
The asteroid impact that wiped out the dinosaurs might have also produced intense volcanic activity.
Scientists have warned that the human race may be just as likely to disappear as a rare animal species.
Four extinct volcanoes dating back 50 million years have been found on the ocean floor in Australia.
Michael Moss has spent the last two decades hunting for surviving members of the long extinct species.