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 ...

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 ...

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.

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 ...

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 space telescope. The planet, ...

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 ...

The exoplanet, named Kepler-10b, is the smallest-ever planet discovered outside our solar system, and was located by NASA's Kepler spacecraft. It is about 1.4 times the size of Earth and spins around ...

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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 ...