We've Found 10,000 Near-Earth Objects. How To Step Up The Search?

That pale white dot up there? No. 10,000 in a list of near-Earth objects. This rock, 2013 MZ5, was discovered June 18. It is 1,000 feet (300 meters) across and will not come anywhere near to threatening Earth, NASA assures us. But what else is out there? The agency still hasn't found every asteroid or comet