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 ...

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 ...

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.

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A newly discovered planet nicknamed "Earth's cousin" has just been found 490 light-years from ...

Sifting through observations from tens of thousands of distant stars, astronomers say they have discovered the first definitive Earth-sized planet that orbits in a habitable zone where water could ...

A team of astronomers have found the most Earth-like exoplanet yet—small and rocky, and at the right temperature for oceans of water. ByMark Zastrow Friday, April 18, 2014 NOVA NextNOVA Next An artist ...

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 ...

If you attend any climate change protest these days, you’re bound to see a sign that reads, “There is no planet B.” Even UN Secretary General Ban Ki Moon has adopted the slogan. “This is our planet ...