... While traversing a vast empty plain in Meridiani Planum, one of Earth's yearling rolling robots found a surprise when visiting the location of it own metallic heat shield discarded last year during descent. ... Scroll right to see the panoramic view captured last week by the Huygens probe as it descended toward Saturn's mysterious moon. ... Today's descent to the surface of Titan by the European Space Agency's Huygens probe is the most distant landing ever attempted by a spacecraft from Earth. ...