Earth is the only life-supporting planet in our Solar System. Until now. Today, we’re bringing Kepler 22-b into our planetary ...

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The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. When you purchase through ...

If its interstellar origins were to be confirmed, it’d only be the third of its kind spotted in the solar system in history. An oblong interstellar object, dubbed ‘Oumuamua, was first discovered in ...