PATTERNS of colourful swirls and twirls of smoke help to create these imaginative spellbinding photographs. The hypnotic and psychedelic images were created by American psychologist Mark Scalco, 49, who refers to his work as 'smokreations'. 'I've always enjoyed the patterns made by kaleidoscopes or some geometric screen-savers,' says Mark, of Durham, North Carolina. 'I remember as a kid looking for shapes in clouds and smoke.
An Italian photographer travelled to Chile where he visited several star-gazing sites, home to some of the world's most advanced telescopes, located in the spectacular setting of the Atacama desert .
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 .
An intrepid explorer hopes to be reunited with his travel partner, after his cuddly toy companion was stolen .
At first glance what might look like ordinary rusty bridge and road railings, are in fact amazing works of art .
A Birmingham man inspired by sci-fi film Wall-E, has created a one- wheeled vehicle, controlled by signals from his BRAIN .
ALL IS not as it seems in these deceptive cityscapes .
Exploding out of the water, a great white shark performs a backflip during a hunt for seals .
With the full moon looming behind him, this polar bear nestles down for the night .
A lively lemon shark grins into the camera and showcases his impressive teeth .
A little caterpillar fearlessly scampers down a branch and confronts a praying mantis .
TRYING their best to wriggle away, three adorable tiger cubs receive their health checks at Chester Zoo .