First Steps," the core Four superheroes are a bit of a bore, and in a way that works to the advantage of this grounded tale of heroism and sacrifice, which is scaled properly for what it is.It's not a ...

A hidden exoplanet named Kepler-139f was discovered by the NASA scientists in the Kepler-139 star system. The uncovered exoplanet is a massive “super-Earth,” roughly twice the mass of Neptune and ...