Campaigners win a third High Court victory over the UK government's plans to tackle air pollution.
Scientists scan Tasmanian tiger specimens to better understand the marsupial's development in the pouch.
Plants appeared on land 100 million years earlier than previously thought, according to new research.
How should the UK dispose of its plastic waste?
Why the Jaws shark is not a 'man-eating monster'
Underwater Photographer of the Year competition
Elon Musk: The entrepreneur behind Tesla and the Falcon Heavy
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The Indian state leading in clean energy
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