Humankind lives in a cosmic shooting gallery. For evidence of that, we need look no further than the events of 15 February 2013. On that day, a medium-size asteroid was set to pass some 28,000 kilometers from Earth, unusually close and well within the orbits...
The NASA inspector general (IG) recently excoriated the agency’s Near-Earth Object (NEO) Program, finding that the effort to locate potentially Earth-threatening asteroids and comets was poorly resourced and far behind its mandated detection goals. In 2005 Congress tasked NASA with locating 90 percent of NEOs...
In 1990, a NASA scientist named David Morrison wanted to know his chances of being killed by an asteroid. It seemed a bit paranoid. After all, no one had ever been killed that way, and there was only one documented meteorite injury. In 1954, an Alabama...
For most people, going into outer space would be enough of a claim to fame — but the way astronaut Rusty Schweickart sees it, saving the world from killer asteroids is far more significant. "Apollo and Skylab were great experiences for me personally, but my NEO...
They're dark, difficult to see from the surface of the planet, and there are a lot of them floating in the solar system. Scientists are now looking into new, higher-tech ways to find and track near-Earth objects, but for now, much of the hard work...