COURAGEOUS CLIMBERS scale frozen waterfalls in Canada, as the ice threatens to collapse beneath them .

T least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon .

A diver attempts to control rising numbers of lionfish by feeding the venomous species to Caribbean reef sharks .

HUNDREDS of hot air balloons decorate the sky above Turkey as the rising sun illuminates the spectacular scenery below .

A young polar bear cub becomes the yogi bear as she stretches off for a morning aerobics session .

This starling and prairie dog will not back down an inch as they have a fearsome stand-off over who gets to eat a nut .

A fish almost escapes the beak of a bird as they both soar through the air .

A scorned woman sparked a punch-up in an airport after she caught her copper boyfriend returning from a romantic holiday with a female police officer .

WHETHER FLOATING through space or diving underwater, a lucky baby boy enjoys once in a life time experiences - in his DREAMS .

IN a galaxy not so far away lies a magical display of lights that could be the latest image from NASA .

A proud gorilla mum welcomes her newborn baby western lowland gorilla, a critically endangered species .

An intrepid photographer travelled to the abandoned ghost town of Bodie in northern California to capture the historic buildings that are trapped in time .