Two of the earliest Earth-ish exoplanet finds are now more exciting targets in the search for habitable worlds beyond this rock. Eric Mack has been a CNET contributor since 2011. Eric and his family ...

On Thursday (April 17), NASA announced the historic discovery of Kepler-186f, an alien planet 490 light-years from our own world that is nearly the size of Earth and located inside the habitable zone ...

Getting your Trinity Audio player ready... Scientists have discovered and confirmed the most Earth-like planet yet using the Kepler Space Telescope, offering hope of life elsewhere and of a future for ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Seth Shostak is a Senior Astronomer with the SETI Institute. He hosts the Big Picture Science ...

The artist's concept depicts Kepler-186f , the first validated Earth-size planet to orbit a distant star in the habitable zone—a range of distance from a star where liquid water might pool on the ...

Scientists today announced the discovery of Kepler-186f, a faraway planet that’s perhaps the most Earth-like yet discovered. It’s the same size as our home world, and at the right distance from its ...

An artist rendering of Kepler-186f, an Earth-size planet in the “habitable zone” of a red dwarf star. NASA A new planet that scientists are calling a close “cousin” of Earth was discovered nearly 500 ...

Kepler-186f is the first planet ever discovered that is both about the same size as the Earth, and orbits in the "habitable zone" around its star. This is the distance from a star at which a planet ...

A newly discovered rocky planet may be the most Earth-like yet found in another solar system, say scientists. Kepler-186f is almost the same size as Earth and occupies its parent star’s “habitable ...

Scientists have discovered a new planet which is extremely similar to Earth and could be home to extraterrestrial life. Kepler-186f is almost exactly the same size as the Earth and has temperatures ...