This NASA Space Harpoon Will Hunt Comets Down

NASA is readying a new kind of space device: a harpoon designed to rapidly fire against comets, easily taking chunks of its surface with surgical precision. It's now being tested by scientists at the Goddard Space Flight Center. » 12/14/11 5:20pm 12/14/11 5:20pm

NASA Is Going to Harpoon an Asteroid. Unless They Lasso It. No Really.

We're going to put someone on an asteroid by 2025. Crazy. But the gravity on asteroids is so weak that we won't stick to it. NASA plans to harpoon an asteroid like a giant space-whale. Now that's my kinda crazy! » 9/29/11 6:00pm 9/29/11 6:00pm