Duncan Roberts had been swimming across the iconic Scottish loch when he encountered something in the water.
Paleontologists have identified a huge species of ichthyosaur from fossils found on a British beach.
Paranormal investigators recently picked up something unusual on camera during an event at an Edwardian swimming pool.
A pre-school teacher in New Orleans has been attempting to identify a strange animal that she filmed at a local park.
A research group has posted up footage of what appears to be a sonar hit of a large creature swimming in the lake.
The space agency is looking into the idea of sending robots to swim beneath the icy crusts of Europa and Enceladus.
This ridiculously long limo comes complete with a swimming pool, mini-golf course and even a helicopter pad.
This innocent snap captured during a family day out to a popular swimming spot appears to show something unexpected.
The synthetic fish were able to swim around autonomously using the contractions of the muscle tissue.
This unique and brightly colored natural wonder might look pretty, but you definitely don't want to swim in it.
Scientists have been using Loch Ness to prepare several robotic submarines for deep-sea expeditions.
One of the largest predators ever to walk the face of the Earth has turned out to be a surprisingly skilled swimmer.
Photographer Patrick Coyne has captured incredible footage of dolphins swimming in bioluminescent waters.
Recently released footage shows what looks like a large creature swimming in Okanagan Lake, British Columbia.
Video footage of a large snake-like creature swimming in the Yangtze River recently went viral on social media.
Footage showing a large serpentine animal swimming away from Loch Ness has recently emerged online.
Motorists this week were met with the unusual spectacle of dozens of salmon swimming across a highway.
Saga Vanecek discovered the pre-Viking-era relic while swimming near her family's holiday home in Sweden.
French long distance swimmer Ben Lecomte has set off in a bid to become the first person ever to swim the Pacific.
A swimming club in Australia has appealed for ships to keep a look out for its recently escaped mascot.