NASA to bag asteroid; send astronauts to visit Summary: NASA's next big project will be to send robots to tow a nearby asteroid where astronauts will study the space rock. By Andy Smith | April 9, 2013 -- 18:04 GMT (11:04 PDT) Previous | Next Image 2 of 11 (Image: Rick Sternbach/Kepler Institute of Space Science) Asteroid plans Plans are to nab a 500-tonne, 7- to 10-meter-wide (25- to 33-foot-wide) asteroid. Topic: Nasa / Space Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.