IFLScience on MSN
The planet’s oldest minerals reveal possible continents before 4 billion years ago
The oldest crystals formed on Earth contain signs that continents existed during the Hadean Eon and were being subducted into the mantle more than 4 billion years ago. If true, this would not only ...
Space.com on MSN
A 'cold Earth' exoplanet just 146 light-years away might be in its star's habitable zone — if it exists
The planet is one of the best worlds for follow-up studies to determine whether it could be habitable or not.
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