The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes.

Scientists analyzed microbial DNA from 483 mammoth specimens, of which 440 were sequenced for the first time.

Atlantis Paradise Islands reports urgent efforts in the Bahamas to save endangered coral reefs via a new gene bank for resilience and conservation.

Until now, scientists believed that squids only began to flourish after the mass extinction event that ended the age of dinosaurs.

“Many birds are already so threatened that reducing human impacts alone won't save them."