All good things must come to an end, on Earth and even in space. NASA announced on Tuesday that the Kepler mission — which has transformed how we understand planets outside of our solar system ...

(CNN)-- Calling it a mission that may fundamentally change humanity's view of itself, NASA on Friday launched a telescope that will search our corner of the Milky Way galaxy for Earth-like planets.

The Kepler spacecraft is in the final moments of its life. NASA isn’t quite sure when they’ll say their last goodbye to the space telescope which has confirmed the existence of thousands of ...

A new set of data released by NASA's Kepler mission catalogs 219 newfound alien planet candidates. According to NASA, 10 of the new worlds appear to be rocky in the habitable zones of their stars ...