The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
This artist’s concept shows NASA’s OSIRIS-REx spacecraft descending towards asteroid Bennu to collect a sample of the ...
Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the building blocks of DNA and RNA were present ...
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Newly discovered super-Earth orbits in and out of its star's habitable zone. Could life survive its extreme climate?Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...
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