Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later turned into the Discovery Channel special "Alien Planet." ...

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 ...

(SPACE.com) The controversial exoplanet Gliese 581g is the best candidate to host life beyond our own solar system, according to a new ranking of potentially habitable alien worlds. Gliese 581g shot ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...