If you're looking for a challenge to put your eyesight and mind to the test, why not try your hand at a fun nature-inspired brainteaser this National Puzzle Day?

If you want to put your cognitive skills to the test, why not try this fun brainteaser which involves finding a snow leopard hidden in a wintery scene? Turns out, it's harder than it seems ...

This file photo taken by an infrared camera shows a snow leopard in the Mount Qomolangma reserve area in Southwest China's Xizang autonomous region. [Photo/Qomolangma Snow Leopard Protection ...

XINING -- Chinese researchers have surveyed snow leopard populations across an area of approximately 360,000 square km on the Qinghai-Xizang Plateau, estimating a population size of 1,002 of the ...