What was that loud jet on Tuesday night? Here's what flew over Des Moines.
Residents on the western side of the Des Moines metro may have heard a prolonged and loud noise flying overhead on Tuesday ...
Hosted on MSN1mon
NASA's about to fly its powerful X-plane. It could make history.
NASA noted in December that it was now running afterburner engine tests, which gives an aircraft the thrust it needs to reach supersonic speeds of over some 767 mph. The X-59 aircraft will zoom at ...