This story was updated at 10:16 p.m. ET. SEATTLE — Astronomers announced the discovery today (Jan. 10) of the first "unquestionably rocky" alien world — a planet called Kepler-10b. Scientists have ...

SEATTLE — When astronomers announced Jan. 10 the discovery of Kepler-10b, they described the alien world as “unquestionably rocky.” Scientists have announced other rocky exoplanets in the past, but ...

SEATTLE – NASA has discovered the smallest planet ever seen beyond our solar system – a rocky world just 1.4 times larger than Earth – using its planet-hunting Kepler observatory. The planet, called ...

The Local newsletter is your free, daily guide to life in Colorado. For locals, by locals. So far in the search for life elsewhere in the universe, astronomers have found scores of large planets.

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

NASA’s Kepler mission has confirmed the discovery of its first rocky planet, named Kepler-10b. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system ...

And what constitutes an “earthlike planet” anyway? The Kepler Space telescope has found a small, rocky planet, the smallest yet found orbiting a star outside our solar system, the Kepler team ...

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"Kepler-10b is the smallest exoplanet discovered to date, and the first unquestionably rocky planet orbiting a star outside our solar system," said Natalie Batalha, Kepler's deputy science team leader ...