A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow. Pictured on the coast of Kaktovik on Barter Island, the young polar bears roll around in the powdery snow as they tickle and wrestle together. Finishing their play-date, one of the cheeky bears teasingly sticks out its tongue before bounding towards their mother.
THIS is the shocking moment a clumsy radio newsreader plunged into a freezing canal while texting her boyfriend instead of looking where she was going .
At least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon .
FROM COLOURFUL autumn leaves to living trees at first glance you might miss these people blended with nature .
As sunlight cascades through its vibrant stained glass windows, every inch of the Nasir-ol-Mulk Mosque bursts with colour .
AN ARRAY of colours, from pinks to blues and oranges, fill the night sky to create an amazing collection of interstellar patterns .
IN a galaxy far, far away, this collection of stunning interstellar formations will leave you STARSTRUCK .
EAGERLY BITING his nails, this little squirrel is clearly nervous of looming predators as he searches for his meal .
A floating market in Indonesia is bursting with vibrant colours as wooden rowing boats loaded with fruit and vegetables crowd the river .
A diver attempts to control rising numbers of lionfish by feeding the venomous species to Caribbean reef sharks .
GLIDING through the water, these delightful frogs show off their vibrant colours as they practice their FROG crawl .
WITH A STERN look of determination on their faces, these adorable pooches perfect their doggy paddle as they dive head first into a swimming pool .
A Brit photographer has captured one of the world's most camera-shy species of fish - during a game of underwater peek-a-boo .