When astronomers announced Kepler-452b, they were not just adding another distant world to a growing catalog. They were ...

Worlds that circle stars other than our own are called “exoplanets.” This specific one could be the very first planet like ...

NASA's planet-hunting mission, the Kepler Space Telescope, has just discovered Kepler-452b, a planet that scientists are calling "Earth 2.0." Scientists said in a press conference Thursday that they ...

The first—and so far only—hint of the potential planet arrived in observations from NASA’s now retired Kepler space telescope ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up ...

Astronomers have announced the discovery of what appears to be an "ice cold Earth," a chilly but potentially habitable rocky ...

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

Alexander Venner picked his way by hand through the data collected by a now-retired NASA telescope called Kepler, which ...

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The curious minds at What If investigate whether Kepler-69c could be the key to life beyond Earth, exploring habitability and ...