Perfect worlds Astronomers have confirmed that our solar system isn't unique, after the discovery of a planetary system that is as flat and orderly as our own. When NASA's Kepler space telescope ...

CAPE CANAVERAL, Fla. – 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.

"As NASA's first planet-hunting mission, Kepler has wildly exceeded all our expectations and paved the way for our exploration and search for life in the solar system and beyond," Thomas Zurbuchen, ...

Forbes contributors publish independent expert analyses and insights. I cover the history of science and exploration. The Kepler Space Telescope has run out of fuel and ended its 9.5-year career, just ...

During Dave Dombrowski's end-of-year press conference on NBC Sports Philadelphia, the Phillies executive revealed what the ...

When NASA's Kepler space telescope started finding planets at odd angles to their parent stars, scientists wondered if our solar system's tidy geometry, with the planets neatly orbiting around the sun ...