A planet for Vega?

Vega is arguably one of the prettiest stars in the night sky. Brilliant and blue, it's the sparkling sapphire that marks the constellation Lyra high in the northern sky. It's one of the brightest stars in the sky, due to it being close to us, just 25 light years away, and intrinsically luminous, pouring out 40 times more energy than the Sun.

And a paper that's just come out indicates it might — might — have a planet orbiting it. If so, that's pretty interesting, and not just because we can send...