First, investigating the D.C. midair plane crash. Then, a look at the drone arms race transforming modern warfare. And, inside Son Doong, the world's largest cave passage.
A California sheriff running for governor has seized more than half a million ballots cast in a November special election from county election officials, saying he's investigating a ballot count discrepancy.
After being down by as many as 19 on Sunday, Braylon Mullins retrieved a loose ball near midcourt in the waning seconds against Duke and hit a three-pointer from 35 feet away to take the lead.
Many have dreamed of a future with flying cars, eliminating traffic on the morning commute. One company is trying to make that dream a reality. Itay Hod reports.
