The Kepler-10 planetary system is clearly a place of extremes. It has a small, Earth-sized world that is half scorched, the first rocky world ever discovered by the Kepler mission. That’s Kepler-10 b.

Astronomers have discovered a planet so similar to Earth in size that it could be our planet’s twin. The planet, Kepler-1649c, is in the habitable zone of its star, raising the possibility of ...

The discovery of Kepler-186f confirms that Earth-size planets exist in the habitable zone of other stars and signals a significant step closer to finding a world similar to Earth. Kepler-186f is ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

An curved arrow pointing right. NASA announced Tuesday it has discovered a planet that is a lot like Earth, and could possibly support life. Produced by Matthew Stuart Follow TI Video: On Facebook ...

The mission of NASA's Kepler spacecraft is in peril. The space agency says a malfunction has disabled a reaction wheel that keeps Kepler's telescope pointed precisely at far-away planets, a glitch ...

Planet Earth, explained Like Venus and Mars ... Thanks to instruments such as NASA's Kepler Space Telescope, astronomers have found more than 3,800 planets orbiting other stars, some of which ...

This is what planets would look like if they were at the distance of the moon. (Second animation): This animation shows the moon orbiting Earth at the same distance as the ISS. Latest videos Have ...

In a galaxy that’s 100,000 light-years across, that’s just down the block from Earth. Given the challenges of taking a detailed look at a habitable planet orbiting a star like our sun—it ...