My wife and I recently came back from a remote island. We marveled at a clear night sky so far away from light pollution. It reminded me that for millennia humans have been awestruck by planets, stars, meteors and more. Sometimes it's hard to imagine humans could only "touch" space since 1961. Today, lunar, planetary and space exploration always captures the imagination. Recently, NASA also published audio files of a dust devil from Mars. It sounds just like talking on your smart phone at … [Read more...]