When astronomers first started taking ultraviolet images of Venus, they were somewhat baffled by a mysterious ‘Y’ shape that covered the entire planet. But now researchers say they have an answer - ...

The Sun turns, but not in the way a solid object would. It has no hard surface, no fixed edge to follow. What scientists ...

Researchers in Austria are investigating the effects of the Earth's atmosphere on our planet's shape, its rotation and its gravitational field. The researchers' aim is to develop a better ...

Reflective symmetry is when a shape can be folded in half, with either side of the fold being a mirror image of the other. Rotational symmetry is when a shape can be rotated and it still looks the ...