The Mars Exploration Rovers celebrated their fourth birthdays and began their fifth year of exploring this month -- and for the first time since the big dust storm hit the headlines last summer, Spirit and Opportunity made the news. It wasn't for the notable exploration or engineering milestone they had just achieved or the discoveries they've helped scientists make about a once very different Mars. It was because of an alleged "Bigfoot" sighting.
The story of a Sasquatch-shaped rock visible in a recent panorama from Spirit is getting a lot of play in the mainstream media, but fortunately, it's not being taken very seriously. (My favorite take on this picture is the lead from the Times Online story about it: "Is it a rock? A trick of Martian light on the eye? Or Osama Bin Laden waving from his barren hideout 300 million miles from planet Earth?")
In the beginning was SETI@home, the first large-scale volunteer computing project, launched in 1999 with seed money from The Planetary Society. Within months the project had millions of volunteers around the world joining to form the most powerful computer network ever assembled.