After dismissing evidence for an exoplanet orbiting this star in the 1970s, the team now says there's a very good chance Barnard's Star does indeed host a super-Earth. Share on Facebook (opens in a ...

We normally think of interstellar flight in terms of reaching a single target. The usual destination is one of the Alpha Centauri stars, and because we know of a terrestrial-mass planet there, Proxima ...