Nearly 5,000 exoplanets had been discovered at the time of the video, but the worlds closest to Earth may give us our best opportunity to learn what alien planets are actually like. Proxima Centauri ...

Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest exoplanets, Proxima Centauri b. What conditions make this planet a candidate for ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...