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

NASA has announced the discovery of an Earth-like planet orbiting a Sun-like star that shares several other similarities with ...

Astronomers have detected an exoplanet candidate around a Sun-like star just 146 light-years away from us.

The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.

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

“This is the first planet candidate with Earth-like radius and orbital properties transiting a Sun-like star bright enough ...

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.

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 ...

This shifts our entire perspective on what makes a planet “Earth-like.” Nature is far more creative than our own solar system suggests. The universe might be teeming with “magma-shielded” worlds that ...