Two researchers (separated by the Atlantic ocean, rather than the English Channel), have used gravitational perturbations that affect comets, rather than planets, to predict the existence of something that might be a planet, or might be a star depending mainly on how you define a planet or a star.

ECONOMIST: X marks the spot

Celebrity Planet has launched a Will and Kate Royal Wedding Walk featuring "landmarks that helped define the next Royal golden couple", as the company's website puts it.

BBC: Going to London for the royal wedding