NASA's Kepler Space Telescope, which launched in 2009 and revolutionized our vision of the galaxy and the universe over the past decade, is now permanently retired and out of service.

Kepler launched in 2009 on a mission to find ... The development let NASA start a new mission with the spacecraft, which it called K2. Kepler and K2 helped researchers discover that planets ...

NASA's Kepler space telescope is discovering alien planets ... [Gallery: A World of Kepler Planets] Kepler launched in March 2009, on a 3.5-year mission to determine how frequently Earth-like ...

Kepler launched in March 2009 and was NASA's first mission capable of finding Earth-size and smaller planets encircling other stars within the Milky Way galaxy. The space telescope has ...

NASA's low-on-fuel Kepler space telescope ... 5). The $600 million Kepler mission launched in March 2009, tasked with determining how common Earth-like planets are around the galaxy.

It will be deactivated while in its current orbit of the sun, far from Earth, NASA said. Launched in March 2009, the $600 million Kepler mission searched the night sky for Earth-like planets using ...

Kepler launched a new era of exploration and redefined humanity’s place in the cosmos, said Paul Hertz, director of NASA’s astrophysics division in Washington, D.C. But now the spacecraft is ...

Even if this is the end of the planet-hunting spacecraft, Kepler will go down in history as one of NASA's greatest achievements. Launched in 2009 to search for Earth-sized exoplanets, it was only ...

Kepler is the first NASA mission capable of finding Earth-size ... of an orbiting planet might be suitable for liquid water. Launched in 2009, Kepler has discovered planets and planet candidates ...

NASA’s exoplanet-hunting Kepler spacecraft ... Kepler-452 is much more closely related to our Sun. The Kepler spacecraft was launched in 2009, with the goal of searching for other Earth-like ...

NASA’s planet-hunting Kepler mission, scheduled to launch ... and the extreme temperatures Kepler will face once launched. The spacecraft is tucked into a vacuum chamber and surrounded by ...