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.

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...

NASA’s New Horizons spacecraft has successfully demonstrated a revolutionary method for deep space navigation, as the probe ...

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...