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 ...

Experience what it would be like to land on exoplanet Kepler-186 f and explore its alien terrain. Veterans flood Democrat’s ...

For the first time, scientists have discovered an Earth-size alien planet in the habitable zone of its host star, an "Earth cousin" that just might have liquid water and the right conditions for life.

The search for extraterrestrial life zeroed in a bit today as NASA announced that its unmanned Kepler Space Telescope detected the most Earth-like planet yet found beyond the Solar System. Named ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In recent years, NASA's Kepler space telescope and other observatories have discovered more than ...

Scientists using NASA’s Kepler telescope have found the first Earth-size planet orbiting its star at just the right distance for water to exist on its surface. The finding, reported in this week’s ...

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 ...

The diagram compares the planets of the inner solar system to Kepler-186, a five-planet system about 500 light-years from Earth in the constellation Cygnus. The five planets of Kepler-186 orbit a star ...