How safe is our future? With millions of rocks careening around the solar system, what are the chances of a major impact wiping out a city, a country, or all life on Earth?
We’ll talk to NASA scientists about how they’re hunting for asteroids that might slam into our world, and what they’ve found so far. Are there any signs of immediate danger? Apollo 9 astronaut Rusty Schweickart tells us what sort of defense might deflect a rock that’s “incoming.” Finally, journalist William Burrows describes why he thinks NASA could be doing a lot more to safeguard Earth.