A retired NASA flight surgeon said he saw footage of a 20-foot-wide flying saucer emblazoned with the US Air Force logo performing deft maneuvers in a military hangar more than 30 years ago, according ...

Here's how the conclave creates black and white smoke and why the Catholic Church began using them to signal whether a new ...

Rather than soot, the smoke contains microscopic droplets and fine solids that are transparent or white. The result is a ...

At the end of each voting round, black smoke means a new pope has not yet to be selected, while white smoke indicates a new ...

Two children in Nova Scotia are missing. Why wasn't an Amber Alert sent out? The search for two children missing in Pictou County entered a fourth day Monday. Halifax Water is seeking approval of its ...