An Australian physicist has found a basic error in the definition of the word 'siphon', which may have existed in dictionaries and text books around the world for ...

It is one of the most exquisite views we have ever had of the Earth. This colourful new map traces the subtle but all pervasive influence the pull of gravity has across the globe. Known as a geoid, it ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. These questions were answered by the International Astronomical Union (IAU). They pertain to a ...