But at least some solace comes from the Kepler space telescope team's estimate that just in our Milky Way galaxy alone, some 500 million planets likely orbit inside their star's habitable zone ...

Kepler-22b is the first extra-solar planet, or exoplanet, that the Kepler Space Telescope found in the habitable zone of its star. It is thought to be a promising spot to search for life.

Imagine the potential for life and unique environmental conditions if the exoplanet Kepler-22b were located within our solar system. Paid sick leave repealed for millions in Missouri Critically ...

The new planet - named Kepler-22b - has key aspects it shares with Earth. It circles a star that could be the twin of our sun and at just about the same distance. The planet's year of 290 days is ...

Though Kepler 22b is not the first such planet to be detected in recent years, ... True, the Earth sits comfortably inside the Solar System's zone, but so do Venus and Mars.

So far the Kepler telescope has spotted 2,326 candidate planets outside our solar system with 139 of them potentially habitable ones. Even though the confirmed Kepler-22b is a bit big, it is still ...

Kepler-22b is 2.4 times Earth's size and, assuming its greenhouse effect is similar to Earth's, ... "Super-Earth" HD 40307g orbits comfortably inside the habitable zone of its parent star.

WASHINGTON — A newly discovered planet is eerily similar to Earth and is sitting outside our solar system in what seems to be the ideal place for life, except for one hitch. It's a bit too big ...

Imagine stepping onto a distant exoplanet, where vast alien oceans stretch beyond the horizon. Based on data from missions ...

Previously, the smallest planet with known radius inside a habitable zone was Kepler-22b, with a radius of 2.4 times that of the Earth. A third planet in another star system was also announced at ...