Check the Guardian website. They have a live blog posting on the best April fools across the web. A few crackers that have reeled people in like Twitter charging to use vowels and NASA looking to snare an asteroid. This Virgin glass bottomed plane is an April fool
According to the BBC the Nasa asteroid thing is true, 4th on the list: http://www.bbc.co.uk/news/magazine-21993582 Sounds like bollox.