A spiral UFO in the night sky flew over Europe and the British Isles. Was it a vehicle from outer space, or something closer to home?

By looking at the shape and size of coprolites, as well as where they were found, scientists can work out what kind of animal the droppings might have come from. Coprolites can also contain clues ...

Some of these designs even share surprising connections, like a spiral shape seen in both marine mollusks and a newly discovered structure of light that moves like a vortex. A recent study found that ...