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Snow leopard off endangered list

Has the chilling threat of extinction worn off at last for the long-endangered snow leopard. Not exactly - but the iconic big cats' conservation status has been improved from "endangered" to "vulnerable". More »

Forty years of space photography

David Malin has spent four decades taking photographs of deep space. His work led to the invention of new imaging techniques and the discovery of the largest-known spiral galaxy - 'Malin-1'. More »