Proxima Centauri b: A Nearby Habitable World and the 2020 Signal Mystery
To the point
Proxima Centauri b is a nearby, potentially habitable planet around Proxima Centauri with extreme day‑night conditions that could allow life only in the twilight zone between a scorching day side and a freezing night side, and a 2020 radio signal sparked speculation about intelligent civilizations there, though it’s unconfirmed and interstellar travel remains far beyond our capabilities.