SpaceGiant Milky Way-like galaxy formed unusually soon after the big bang The Big Wheel, discovered using the James Webb Space Telescope, formed just 2 billion years after the big bang - surprisingly early for a spiral galaxy of a similar size to our Milky Way News
MathematicsWhy the long history of calculating pi will never be completed Building the full value of pi has been a project thousands of years in the making, but just how much of this infinite number do we actually need, asks our maths columnist Jacob Aron News