Out of all the planets in the Universe, Earth is clearly the best for life, right? Wrong. Earth may be great, but scientists ...

As many as 200 worlds beyond our solar system discovered by astronomers may be larger than estimated, which could influence the search for extraterrestrial life. That's the theory of a team of ...

Since the Kepler Space Telescope was launched into space, the number of known planets beyond the solar system (exoplanets) has grown exponentially. At present, 3,917 planets have been confirmed in ...

"Life can be understood as complexity, and water has a wide range of properties that enable this complexity." Scientists have developed a better model to understand "steam worlds," which are planets ...