Every time we think we're in a class by ourselves, it's only a matter of time. Used to be our solar system had the most planets around a single star. But thanks to new data from NASA's Kepler ...

NASA's Kepler mission ended in 2018 after more than nine years of fruitful planet-hunting. The space telescope discovered thousands of planets, many of which bear its name. But it also generated an ...

Scientists have discovered over 6,000 planets that orbit stars other than our sun, known as exoplanets. More than half of ...

Only a handful of star systems have more than a single planet. With eight worlds, our solar system has long taken the prize for the biggest lineup. But no longer. Our corner of the galaxy now shares ...

Astronomers studying data from NASA's retired Kepler space telescope discovered a new system of seven "scorching" planets orbiting a distant star that is bigger and hotter than the sun, the space ...

NASA’s Kepler mission has verified 1,284 new planets – the single largest finding of planets to date. “This announcement more than doubles the number of confirmed planets from Kepler,” said Ellen ...

CAPE CANAVERAL, Fla. -- An eighth planet has been found in a faraway solar system, matching our own in numbers. Even more amazing, machines and not humans made the discovery. NASA joined with Google ...

NASA's elite planet-hunting spacecraft has been declared dead, just a few months shy of its 10th anniversary. Officials announced the Kepler Space Telescope's demise Tuesday. Already well past its ...

NASA’s Kepler mission confirmed the discovery of its first rocky planet, named Kepler-10b. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system.

Health issues are jeopardizing the planet-hunting work of NASA's prolific Kepler space telescope, which has identified more than 2,700 potential alien worlds to date. One of Kepler's reaction wheels — ...