Scientists look at diverting the path of a near-Earth asteroid by smashing stuff into it.
Not really...but it would make a great movie.
Atlantic Monthly pointed out, "how often the aliens in science fiction just happen to be preoccupied with the exact same political issues that obsessed intellectuals of the era when the fiction was written."
The Dawn probe reaches well into our asteroid belt and surveys Vesta, the second largest asteroid in our solar system.
TIME.com, settling any space vessel into a planetary object's orbit is a tricky maneuver and anything but guaranteed. When the Dawn Probe completed it's entrance and settled into the asteroid's gravity field, scientists celebrated, and then got down to the business of making discoveries.