Rachel Riley has been temporarily replaced on Countdown by a tattooed YouTube mathematician who teaches equations in his underwear. Dr Tom Crawford, known for his Tom Rocks Maths channel on the ...

Rachel Riley has issued a playful warning to Countdown producers should they ever want her to leave the show. The 39-year-old mathematician is currently on a short break from the programme to focus on ...

Countdown's Rachel Riley will be temporarily replaced by YouTube math star, Dr Tom Crawford. It was announced that Riley, Countdown's very own mathematician, will have to step down from her hosting ...

Countdown star Rachel Riley introduced baby daughter Noa on the show yesterday (March 15) alongside her husband Pasha Kovalev. Known as the face of the letters and numbers board since 2009 – replacing ...

Rachel Riley has told how she was once groped by a Countdown fan in front of his wife, before the couple were banned from the show. Maths whizz Riley, 35, spoke about the unpleasant moment filming the ...