Galileo's contemporary Johannes Kepler, a German mathematician ... Kepler's advance created a new challenge, however. Because his telescope offered a much greater field of view, astronomers ...

Kepler was one of the most successful exoplanet-hunting missions so far. It discovered 2,600 confirmed exoplanets—almost half ...

Fortunately, it's not our only orbital telescope. The Kepler Space Telescope, named for astronomer Johannes Kepler, was NASA's first exoplanet hunting telescope. It launched on March 6 ...