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.
Miniature spy cameras and alarms are to be used in an effort to put a stop to poaching once and for all.
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.
With species disappearing in their thousands our planet may be on the verge of a mass extinction event.
Smalltooth sawfish in Florida appear to have developed a novel new way of escaping their own extinction.
The last remaining male northern white rhino has four armed guards protecting him 24 hours a day.
An extinction event known as the 'Great Dying' wiped out most of the life on Earth 251 million years ago.
Scientists have suggested that dark matter might be the main culprit in mass extinction events.
Scientists believe that a long winter, not an inferno, was most likely to blame for their extinction.
Scientists have been able to extract the DNA from two extinct behemoths that lived 45,000 years ago.