The Most Mysterious Star in Our Galaxy

In 2011, several citizen scientists flagged one particular star as “interesting” and “bizarre.” The star was emitting a light pattern that looked stranger than any of the others Kepler was watching.

One possible theory is that an extraterrestrial civilisation has built a bunch of structures close to it. It’s extremely far-fetched, but riveting to think about. The scholarly paper detailing the discovery can be found here (PDF).