The planets have been designated b, c, and d. All three planets orbit much closer to Kepler-18, a st...

A precision spectrograph HARPS-N (High-Accuracy Radial velocity Planet Searcher-North), is designed ...

An European rocket poised to lift a 20-tonne automated supply ship into space was delayed minutes be...

The smallest-ever planet discovered outside our solar system measuring 1.4 times the size of Earth r...

The ‘starquakes’, reported by the space agency, are allowing scientists to learn about the stars' ag...

Scientists have observed the discovery for seven months and have surveyed more than 156,000 stars as...

Astronomers will use the new data to determine if orbiting planets are responsible for brightness va...

NASA's Kepler space telescope has discovered five new planets outside the solar system....

NASA's first mission to find Earth-size and smaller planets around other stars...