The last space shuttle has flown and instead of reaching for the stars, some former Nasa employees are reaching for the clouds instead with new startups. The latest, Nebula, emerged from stealth mode this morning, led by Chris Kemp, Nasa’s chief technology officer until last March, and funded by an impressive list of investors – Google’s original backers and VC firms Kleiner Perkins Caufield & Byers and Highland Capital Partners. Read more