New study finds potential alien mega-structures known as 'Dyson spheres' (nbcnews.com)

Hmm, not really. They scanned several million stars and found a handful that look like they could have Dyson Spheres. But it is much more likely the stars are just surrounded by dust clouds.

Annnnd the expert in the story gets all realistic and tells us that they’re probably not Dyson spheres…