Californian man snaps mystery aircraft above his house that experts ... a hypersonic spy plane that could fly at Mach 6, twice as fast as its famed SR-71 Blackbird.
The fastest airframe to ever fly the skies is surprisingly not a twenty-first-century invention. Nearly half a century ago, the SR-71 Blackbird set the record for highest sustained flight and fastest ...
Dr. Jason Steffen, Associate Professor of Physics at the University of Nevada, Las Vegas, joins Lisa to talk about the new boarding method that United Airlines rolled out last month. While United ...