A Solar System Found Crowded With Seven Earth-Sized Exoplanets

Seven planets orbiting one star.  All of them roughly the size of Earth.  A record three in what is considered the habitable zone, the distance from the host star where liquid water could exist on the surface.  The system a mere 40 light-years away. The latest impressive additions to the world of exoplanets orbit the …

With the Main JWST Mirror Completed, Scientists Focus On How To Best and Most Fairly Use It Once In Space

Recent word that the giant mirror of the James Webb Space Telescope is essentially complete is a cause for celebration, a milestone in the long march toward launching what will be the most powerful astronomical instrument ever.  NASA Administrator Charlie Bolden made the announcement at the Goddard Space Flight Center, with senior project scientist John …

With the Main JWST Mirror Completed, Scientists Focus On How To Best and Most Fairly Use It Once In Space

Recent word that the giant mirror of the James Webb Space Telescope is essentially complete is a cause for celebration, a milestone in the long march toward launching what will be the most powerful astronomical instrument ever.  NASA Administrator Charlie Bolden made the announcement at the Goddard Space Flight Center, with senior project scientist John …