- Proxima Centauri’s no good, very bad day: Astronomers have detected a massive stellar flare from Proxima Centauri. This finding raises questions about the habitability of our Solar System's nearest exoplanetary neighbor, Proxima b, which orbits Proxima Centauri. https://carnegiescience.edu/news/proxima-centauri%E2%80%99s-no-good-very-bad-day-flare-illuminates-lack-dust-ring-puts-habitability 21 comments science