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. TV footage showed bloodied runners and spectators being treated at the scene and the road strewn with debris. The FBI said that this was a "potential terrorist
A SERENE turquoise glow glimmers from underneath these powerful icebergs .
Blonde teen Jess Stubbs has certainly got girl power - as Britain’s youngest TRUCKER .
This tranquil setting stretches for miles as the sun sets behind the mountain .
The aurora lights captured in Blair Nebraska, America - WITH electrifying purple and illuminous green brightening up the night sky, this is the rare moment a flash of 'sprite' lightening was captured on camera .
A little caterpillar fearlessly scampers down a branch and confronts a praying mantis .
A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow .
DIPPING his head into the vase of water, this little squirrel takes a refreshing break from an afternoon of eating .
Sitting all alone on drift ice in the Arctic Ocean, this lonely little fella looks lost .
IN a galaxy far, far away, this collection of stunning interstellar formations will leave you STARSTRUCK .
WONDERS of the world have been transformed into their mini-versions in a seven-year round the world adventure .
MAKING himself at home, this little snail perches happily on top of this frog's head .
SOME OF the sea’s most terrifying creatures show their softer side as they join a group of diners for lunch .