There are far fewer house-sized near-Earth objects in our solar system than scientists thought. But why that doesn't lower the chance of one hitting the Earth.
Wildfire Author In Arizona After Yarnell Hill Fire
Wildfire season in Arizona and the West is getting longer, and the potential for catastrophic fires is growing. Journalist Michael Kodas has been in Arizona following the aftermath of the Yarnell Hill Fire. He is author of the upcoming book "Megafire."