NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star to be in the so-called habitable zone where liquid water could exist on a planet's surface, but they are the smallest exoplanets ever confirmed around a star like our sun
Welcome to the family! Scientists using NASA's Kepler spacecraft have confirmed at least eight new roughly Earth-sized planets sitting in the habitable zones of their host stars -- two of which rival the most 'Earth-like' planets found to date.
The Honda Formula One team are to replace advertising and sponsor logos on their car this season with a giant picture of the Earth to raise awareness of environmental issues.
The planets closely circle a dwarf star named Trappist-1, which at 39 light years away makes the system a prime candidate to search for signs of life.
NASA has released new global maps of Earth at night.
United States space agency NASA said it would launch a water-related satellite in collaboration with India's ISRO.
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