Weekend field trips on the WebBy Alan Boyle, Science Editor, NBC News'Nova' on PBS: 'Alien From Earth''Portal to the Universe' is open for businessThe Economist: A micro-robot that levitatesStatesman.com: Apollo 8 astronauts reflect on Cold War roleRLV / Space Transport News: The White Knight Two kerfuffleNASA Watch: NASA faces tough choices, needs administrator nowAlan Boyle, Science Editor, NBC News
