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Scientists discover world's most ancient fossils

Cool NASA video shows dust devils whirling on Mars

'Dopey' and 'Bashful'? Twitterverse suggests names for newly-found exoplanets

Keys to life? Scientists explain how newly-discovered exoplanets could be habitable

9 stunning exoplanet pictures

7 new Earth-like exoplanets discovered, NASA announces

NASA set to make major exoplanet announcement

Life's building blocks found on dwarf planet Ceres

Astronomers discover 60 new worlds, find 'super Earth'

Crowdsourcing the sky: Huge star database made available to the public