Are tigers 'brainier' than lions?

(PhysOrg.com) -- A wide-ranging study of big cat skulls, led by Oxford University scientists, has shown that tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.

Solving the disappearance of bears and lions with ancient DNA

An international team of researchers led by the University of Adelaide, suggest a change in climate is the likely cause of the mysterious disappearance of ancient lions and bears from parts of North America for a thousand ...

Why India's plan to reintroduce cheetahs may run into problems

A nature reserve in India could soon be the only location in the world to host wild populations of four major big cat species—tiger, lion, leopard and cheetah. Kuno-Palpur, in central state of Madhya Pradesh, may not be ...

Filmmaker sounds alarm over ocean of plastic

On Midway atoll in the North Pacific, dozens of young albatross lie dead on the sand, their stomachs filled with cigarette lighters, toy soldiers and other small plastic objects their parents have mistaken for food.

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