Engineers at Glyndwr University St. Asaph are working on the world's largest telescope, which aims to help mankind see to within a millisecond of the 'Big Bang'.
A team of 15 engineers are polishing seven prototype mirrors using advanced technology.
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Three Welsh billionaires have made this year's Sunday Times Rich List, with Sir Michael Moritz topping the list for the richest in Wales.
A fine end to the weekend, with sunny spells throughout the day. Moving into the start of the week, more bright spells but feeling colder.
Off to the London Marathon today? If so, send us in your pictures.