Shocking research has warned that humans are driving extinctions at a scale not seen since the mass extinction of the dinosaurs some 66 million years ago. The researchers from the University of York, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

(CNN) — Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event known as the “Great Dying” that wiped out around 90% of life. What followed has ...

"Some 250 million years ago, the earth suffered the greatest biological crisis in its history. Around 95 percent of all living species died out - a global catastrophe far greater than the dinosaurs' ...

University of the Witwatersrand provides support as a hosting partner of The Conversation AFRICA. A fossilised colony of small burrowing reptiles that lived some 250 million years ago was recently ...

Squids first appeared about 100 million years ago and quickly rose to become dominant predators in the ancient oceans, according to a new study published in the journal Science. A team of researchers ...