Beachgoers were left perplexed recently after a huge 20ft cross washed up near a Fort Lauderdale hotel.
Frenchman Jean-Jacques Savin is hoping to cross the Atlantic using nothing but the current to propel him.
One eagle-eyed Google Street View user recently came across a very unusual object in the clouds over Florida.
A new study has shed light on how these remarkable lizards are able to run across the water's surface.
NASA's long-lived rover has come across an intriguing object that almost looks like a small gold nugget.
Two divers came across something extraordinary during a recent excursion off the coast of New Zealand.
Motorists this week were met with the unusual spectacle of dozens of salmon swimming across a highway.
Found in the Amazon rainforest, this incredible arachnid looks like a strange cross between a dog and a spider.
Jim Bruce sighted something very strange in the sky over Prince Edward Island at the end of last month.
Huge numbers of the red and black insects have been turning up in homes across the British Isles this month.
The plan would involve preserving the beneficial bacteria found in the guts of people from all across the world.
Originally spotted last year, this unusual animal has since been confirmed to be a genuine cross-breed.
Scientists have revealed that giant hogweed has spread to Virginia and can now be found in at least eight US states.
Stunned motorists discovered banknotes strewn across Interstate 70 in Indianapolis on Wednesday morning.
NASA's flagship rover has now been trundling across the surface of the Red Planet for more than five years.
Someone has been hanging underpants out across a village square in France and nobody seems to know why.
NASA is considering a mission to Saturn's moon Titan that would use a drone to scout across large areas.
Sightings of a particularly unusual type of moth are becoming increasingly common across the British Isles.
The deafening sounds, which have been heard in dozens of locations this year, remain unexplained.
A time-lapse camera captured the moment an intense fireball streaked across the sky over Lapland.