TRAPPIST-1: An Exoplanet Home from Home?

With all the hype around the new discovery of 7 Earth-like planets around the ultra-cool dwarf star TRAPPIST-1, Isabel Ashman takes a look at the science behind the discovery and debates whether humans could ever visit these potentially habitable planets.

Are there alien structures in the Kepler Mist?

Jim Hoover investigates the mysterious dimming of Tabby’s Star and discusses whether or not it could be a sign of extra-terrestrial life.