online and tweeting by traveling by train as an alternative. a popular search is for euro star, the rail service, that links london to paris to brussels via the chunnel tunnel. and number one, to boldly go where no man has gone before, nasa says it's designing this new capsule it take humans into deep space. that means future missions to the moon and possibly mars. this is such a popular story on cnn.com. you can find out more also by going to our facebook page, w1 cnn. blanketed in ash, how iceland's latest eruption is transforming the landscape.