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 ...

Astronomers have discovered Kepler-452b, the most Earth-like exoplanet yet found, orbiting a star strikingly similar to our Sun. This video explains why it’s such a breakthrough, how the Kepler ...

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

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 ...

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.

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 ...

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