COURAGEOUS climbers descend 400 metres as they manoeuvre their way through thick walls of ice. The ice emits a blue glow as the climbers make their way down and move through the glacier. The stunning photographs were captured by American glacier trekking guide Jared Carlson on a trip to the Mendenhall Glacier in Juneau, Alaska. The 36-year-old was joined by climbing friend Jason Nelson, 37, as the pair explored the moulin, which is a circular, vertical well-like shaft within a glacier.
WITH SNOW COVERING the ground around them, these two polar bears play fight .
LIKE SUPERMAN carrying a slimy Lois Lane through the air this frog is treating its mate to a flying lesson .
UNDERWATER and above-water seaside shots show the best of British beach-life .
A photographer has captured stunning photographs of the Milky Way above picturesque landscapes in the UK and Italy .
HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .
A trio of ants are locked in a tug of war over a fly as they pull the bug by its legs .
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 .
GIANT garden sculptures don't beat about the bush .
Beautiful turquoise waves rise and fall in a series of stunning images taken along the coastline of south-eastern Australia .
A grey whale and her calf greet an audience of awestruck admirers on the Pacific coast of Baja California Sur, Mexico .
SURROUNDED by a snowstorm, these young polar bears battle the elements - as well as each other .