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 the handicapped spacecraft. Boulder-based ...

This artist illustration shows what it might be like to stand on the surface of the planet Kepler-186f, the first-ever Earth-size planet to be found in the habitable zone of its star. This artist ...

This artist illustration shows what it might be like to stand on the surface of the planet Kepler-186f, the first-ever Earth-size planet to be found in the habitable zone of its star. It's the brass ...

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 ...

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 ...

While other Earth-like planets have been found, they’ve either been too hot or significantly larger than our planet — but Kepler 186f is only 10 percent bigger than Earth. And its 130-day orbit around ...

NASA's Kepler telescope has discovered a veritable bounty of alien planets, but none of them have been quite like Earth -- until now. Today, the agency announced that Kepler-186f is the first ...

Some may be about ready to pack their bags. NASA has announced the discovery of the most Earth-like planet yet, orbiting another star. Labeled Kepler-186f, this world is actually close in size to the ...

Technicians working inside the Astrotech Space Operations facility near NASA's Kennedy Space Center look over the Kepler spacecraft soon after it arrived in Florida in preparation for launch. [Read ...

On Earth, plants are green thanks to our Sun’s light—but Kepler-186f orbits a cooler, redder star. Here’s why alien ...