Fish losing survival instinct in acidic oceans: study
Fish are losing their survival instinct -- even becoming attracted to the smell of their predators -- as the world's oceans become more acidic because of climate change, new research.
Huge new dinosaur in Portugal was predator king: study
A new dinosaur species discovered in Portugal dominated the food chain 150 million years ago -- the Tyrannosaurus Rex of its time.
Extinct steppe cheetah was found in Aral
An extinct steppe cheetah has been seen in a desert near the Aral Sea.