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 ...

Relative sizes of the newly discovered habitable-zone planets and Earth. Left to right: Kepler-69c, Kepler-62e, Kepler-62f and Earth (except for Earth, these are artists' renditions). Image credit: ...

After nearly a decade of groundbreaking exploration, NASA’s Kepler Space Telescope concluded its mission, leaving a lasting legacy in the search for exoplanets. The spacecraft, which confirmed the ...

Space-watchers saw the handwriting on the wall months ago, but now it’s official: NASA’s Kepler spacecraft, by far the most successful planet-hunting telescope in history, isn’t coming back. Engineers ...

This artist's concept shows the KOI-134 system, which a 2025 paper revealed to have two planets: KOI-134 b and KOI-134 c. Credit: NASA / JPL-Caltech / K. Miller (Caltech/IPAC) A new investigation into ...

When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were pointing to a planet that orbits a star much like our own, in a region where ...

CNN — Ten years after the Kepler Space Telescope launched and revolutionized exoplanet discovery, Kepler-1658 b has finally been confirmed as the first exoplanet that the mission ever detected. It's ...