Add Yahoo as a preferred source to see more of our stories on Google. Illustration of three exoplanets next to a diagram of the kepler space telescope. NASA's prolific Kepler space telescope, which ...

For the first time, scientists have definitively discovered an "invisible" alien planet by noticing how its gravity affects the orbit of a neighboring world, a new study reports. NASA's Kepler space ...

The Kepler Space Telescope, launched March 6, 2009, was designed to search the Milky Way for exoplanets. Using the transit method, Kepler ultimately observed over 500,00 stars and contributed to the ...

'We have found what are probably the last planets ever discovered by Kepler, in data taken while the spacecraft was literally running on fumes.' When you purchase through links on our site, we may ...