An explanation for this remarkable meteorological phenomenon was shared online by NASA - but not everyone was convinced.
Remarkable Met Office time-lapse footage shows clouds flowing like water over the Rock of Gibraltar.
Just like in Jurassic Park, playing god with the fate of extinct species could cause more problems than it solves.
A mystery creature sparked concern last week after it made its way into a shop in the Indian state of Bihar.
It might not be alive, but this remarkable chemical compound seems to be able to remember things for several hours.
The largest shark that ever lived would have put even the man-eating monster from 'Jaws' to shame.
Photographs of a long-necked animal in Loch Ness have been doing the rounds, but not everything is as it seems.
The tiny reptile, which has a rather unique pigmentation, is not the only albino alligator at the park.
Saudi Arabia has unveiled plans for a remarkable construction project far beyond the scale of anything seen before.
Park staff at Cape Lookout National Seashore posted up images of the organisms to ask if anyone could help identify them.
What if we could explain the movement of stars and galaxies without relying on dark matter to fill in the gaps?
The world's largest atom smasher is back in action after a four-year hiatus.
It's supposed to be the most common form of matter in the universe, but nobody has ever actually seen it.
A grave marker inscribed with a curse in red lettering was found during conservation work at Beit She'arim park.
The vampiric congregation, which set a new world record, marked the 125th anniversary of Bram Stoker's novel.
The remarkable success story saw the population grow from a mere 10 individuals in 1991 to over 400 today.
These giant 'scratches' on the surface of the Red Planet were captured on camera by ESA's Mars Express orbiter.
After a three-year hiatus, the iconic atom smasher is preparing to begin a new era of scientific discoveries.
The series - simply entitled 'UFO' - has become mired in legal problems over a trademark infringement lawsuit.
Residents took to social media to share photographs of an anomalous cloud-like trail over Lazy Mountain.