The world-first insemination of an Amur leopard in France has lifted hopes of animal lovers for the survival of the Earth's rarest big cat.

These rare wild cats are among the world’s rarest, with their habitats in far-off places and being threatened by habitat destruction and poaching.

As nighttime settled across a national park in Australia, an “extremely rare” mammal with “long” feet bounded into a forest clearing and circled around a bush. Unbeknownst to it, a nearby trail camera ...