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The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...
NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.
NASA’s New Horizons spacecraft has successfully demonstrated a revolutionary method for deep space navigation, as the probe ...
Astronomers are monitoring an object headed our way that may have wandered over from another star system. Scientists have ...
Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...