The Kepler space observatory has been in orbit around the sun since 2009, collecting data on 150,000 stars and searching for Earth-like planets in the Milky Way galaxy. The mission has identified ...

But the Kepler Observatory was designed to point at the same spot and stare for years and capture a constant stream of images, which is how the telescope was able to catch planets as they moved in ...

Despite some failed parts, NASA's orbiting Kepler observatory, which specialized in finding Earth-like planets, has been given a new to-do list that should keep it in the planet-hunting game.

NASA's planet-hunting Kepler telescope has resumed its alien planet search after a six-day malfunction. A computer card glitch sent the Kepler observatory into hibernation on March 14.

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NASA's 4-year-old Kepler spacecraft isn't the only observatory searching for alien planets. See which new spacecraft are waiting for their chance to hunt for exoplanets.

NASA's prolific Kepler space observatory, which has found signs of thousands of alien planets, will keep hunting strange new worlds for at least four more years, the space agency announced Wednesday.

Engineers-turned-first responders nursed NASA’s planet-hunting Kepler observatory back to stable condition after it unexpectedly slipped into emergency mode 75 million miles from Earth last week ...

NASA's Kepler space observatory has found more than 1,200 potential alien worlds since it began hunting for extrasolar planets in 2009. IE 11 is not supported.

NASA's Kepler spacecraft has sent back 43 days-worth of data from its search for Earth-like planets. Launched on March 6, 2009, the Kepler spacecraft is continuing to scan the heavens for Earth ...

The planet orbits a star nearly 3,000 light-years away and was discovered using the Kepler observatory, which looks for telltale dips in star light as a planet orbits a star; ...